If you stay in Long Beach, you already know the ocean air is form to the soul and difficult on pool chemistry. Add Santa Ana winds, eucalyptus particles, and a number of days of neglect, and a clear garden pool can flip rail-vehicle green in a weekend. That is in which a seasoned pool cleaning service earns its store, not simply skimming leaves yet diagnosing flow, correcting water balance, and getting in advance of algae previously it blooms. When owners search for a pool cleansing provider close to me after recognizing that first hint of cloudiness, they are quite often already a number of steps in the back of. With efficient pools, hours matter.

I were in greater backyards than I can count number, from conventional Spanish bungalows east of Retro Row to tight smooth courtyards in Belmont Shore wherein the tools pad is squeezed next to an outside shower. The trouble repeat, but the fixes not at all replica-paste. A dependableremember pool cleansing service Long Beach home owners belif treats each pool like a small ecosystem, tuned to the quirks of its plumbing, colour styles, and bather load. That is above all suitable for inexperienced pool rescues the place staying power, measured chemistry, and constant filtration beat panic and chlorine bombs.
Why Long Beach Pools Go Green Fast
Coastal microclimates are stunning for afternoon breezes and poor for chlorine stability. Salt within the air, high UV, and hot shallow basins burn by using unfastened chlorine. When I test a stricken pool in late August, I most commonly see zero loose chlorine via mid-afternoon even when the owner swears they dosed it within the morning. That isn't really carelessness, it really is physics. Strong daylight can chew up 50 to 70 p.c. of unstabilized chlorine in about a hours.
Fine particulates from windstorms feed algae. A unmarried Santa Ana journey can sell off ample airborne dirt and dust to clog a cartridge clear out and halve your circulate. Combine that with a stuck weir door, a pump going for walks six hours in place of ten, and inconsistent stabilizer ranges, and you have got a super soup for inexperienced increase. These are the styles that a wonderful pool cleaning provider will realise on sight and perfect formerly the water info over.
The Anatomy of a Green Pool Rescue
I am cautious of miracle treatment plans. Green water clears simply by a chain, no longer a silver bullet. The order matters on the grounds that every single step improves the effectiveness of a better.
First, circulation should be restored. I have opened appliance enclosures to discover a pump cavitating considering the pump basket became jam-packed with pine needles, or the impeller wrapped in plush canine hair from a weekend pool birthday celebration. The clear out rigidity gauge tells the reality. If it pegs top mins after startup, the media is clogged. In a sand filter out, you backwash unless the sight glass runs transparent. In a D.E. clear out, you smash it down and sparkling the grids, then recharge with the top volume of diatomaceous earth. For a cartridge filter, a soft hose-down is a begin, yet I routinely soak the substances in a easy acid answer if oils and scale have developed up. Trying to shock a pool devoid of flow is like shouting in a typhoon.
Second, particles needs to go away the water. I do no longer vacuum blindly. If the bottom is invisible, a leaf bagger on a backyard hose does bigger than a suction vac when you consider that this will no longer clog the plumbing with sludge. Once I can see the primary drain, I transfer to a manual vacuum head and wonderful-music the paintings.
Only then do I hammer the algae. For plaster and quartz finishes I am blissful with organization chlorine ambitions. With vinyl and fiberglass, I drop the ceiling a chunk to keep away from bleaching. Cyanuric acid, the stabilizer, units the playbook. With CYA around 30 to 50 constituents according to million, free chlorine must always spike to roughly 12 to twenty ppm for a factual kill. I opt for liquid chlorine for its pace and predictability. Calcium hypochlorite works, however it adds calcium and can cloud, which complicates what comes next. For pools with high phosphates after heavy leaf drop, a distinct phosphate remover is helping starve regrowth, however it isn't the 1st step. Get the kill first, starve the leftovers later.
Finally, I brush every floor. Algae anchors in corners, steps, and conduit penetrations behind lighting fixtures. I even have had more than one proprietor swear the water back to green in view that the spa spillway was by no means scrubbed and kept seeding the pool. Brush, movement, filter, scan, repeat. Clear water after a rescue is earned by filters and persistence no less than as so much as chemicals.
When You Should Call a Professional
Some eco-friendly pools are a weekend chore. Others are a swamp with frogs and a pump that cries on startup. The big difference is not just coloration of green. If you is not going to see the second one step or if the pool smells sour and slimy, you are into prime-healthy territory. A suitable pool cleansing carrier close to me seek needs to lead you to a workforce which will set expectations and stay you nontoxic. I have pulled two-foot sections of collapsed vac hose from skimmers, fished out goggles wedged inside the impeller, and determined timers caught in manual mode firing pumps at 2 a.m. when force charges are absolute best. That is Pool Repair, not just cleaning.
There also are defense and compliance purposes to call an expert. Older Long Beach residences often times run pumps on dated wiring or share circuits that commute while a booster kicks on. Add water close electrical power and that's no area for guesswork. A certified Pool Repair Long Beach technician can suitable failing breakers, leaking unions, and air leaks on the suction aspect that lead to chronic foremost loss. If you pay attention a squeal or the pump basket foams if you happen to close the lid, you more than likely have an O-ring limitation, not a chemistry situation.
What a Real Service Visit Looks Like
When a property owner hires a pool cleaning carrier Long Beach ca locals recommend, they may be buying extra than a web and a bottle scan. The correct pool cleaning service brings a ordinary that adapts with the season.
I commence with water trying out that appears at pH, alkalinity, loose and blended chlorine, calcium hardness, cyanuric acid, and, when cloudiness lingers, TDS and phosphates. I prevent electronic photometers at the truck due to the fact color strips misinterpret in vibrant sun. Once I even have the numbers, I regulate with measured doses. If pH is excessive, I use muriatic acid rigorously, staged over an afternoon or two, instead of a single slug that can etch plaster round returns. If alkalinity is top, I most appropriate in steps, targeting a selection that continues pH from bouncing. Pools with salt programs get other realization. I check the cellular for scale and confirm that the salinity sensor is telling the truth. A salt cellphone that has run dry for the duration of a dry-skim experience can pit in a timely fashion.
Skimming and vacuuming don't seem to be mindless. I verify the skimmer draw, tweak valve positions to maximize surface float, and determine the weir motion. When weirs dangle open or stick close, debris that need to be trapped cycles returned into the pool. I brush tile strains the place oils compile and motive scale, then investigate cross-check return eyeballs for course. Aim them improper and you brief-circuit stream, leaving useless zones that breed algae.
If the seek advice from is a green pool rescue, filtration is the hero. I might run the pump 24 to 48 hours after the initial shock to let the clear out do its activity. Cartridge filters get baby-sat. Sand filters which might be late for a trade behave like a colander rather than a sieve. If sand is more than five to seven years ancient, I am candid approximately it. You can backwash unless the meter spins, yet worn-out sand will circulate fines and delay your clearing time with the aid of days.
Chemical Choices That Actually Work
Pool householders traditionally educate me cupboards full of partial buckets of thriller powder. A service worth its price maintains chemistry fundamental and functional.
Liquid chlorine clears speedy and leaves no extras at the back of. It does raise salt a bit of through the years, but on coastal air that is absolutely not the villain. Cal hypo is robust and shelf-solid, however watch calcium if your fill water already exams excessive. Trichlor drugs are stable feeders, handy for holidays, yet they lift cyanuric acid relentlessly. Many eco-friendly pool calls soar with drugs used as a crutch until eventually CYA chokes off free chlorine. When stabilizer climbs previous eighty to a hundred ppm, your chlorine goal has to climb with it or algae will win. I give an explanation for https://jsbin.com/?html,output that industry-off with numbers, not scolding, then build a plan to dilute CYA via partial drains if necessary.
Algaecides are equipment, no longer magic. Polyquat has an area once you are holding a cold pool clean in the iciness at low chlorine phases. Copper-depending items work, however stains are a menace on mild finishes and with prime pH. I prevent copper in so much Long Beach swimming pools considering scale and older heaters already load copper into the water if balance runs prime. Clarifiers and flocculants assistance pace cleanup, but floc provides exertions considering the fact that you desire to close down flow and vacuum to waste. It shines while the pool is a hopeless pea soup and time is tight earlier an journey. Otherwise, clear out endurance wins.
Special Cases: Saltwater, Heaters, and Heavily Planted Yards
Saltwater techniques are frequent here. They should not protection-free. Salt cells produce chlorine by means of electrolysis which also produces scale on plates, noticeably at top pH and hard water. A eco-friendly pool tied to a salt formulation usually starts off with a scaled cellular phone outputting half its rated chlorine, then the owner adds pills and worsens CYA, and the spiral begins. I look into the mobilephone visually, acid wash if wanted, and affirm controller settings. Many systems throttle manufacturing in bloodless water, so a iciness eco-friendly pool can be low chlorine comfortably for the reason that the cellular telephone car-restricted. That is where a carrier supplier’s seasonal time table things.
Heaters add an alternate wrinkle. I even have obvious copper staining from older heat exchangers the place low pH water chewed steel and grew to become blonde plaster mint eco-friendly. If your pool turned efficient after a wintry weather startup and also you odor steel, it could now not be algae at all. Testing for metals and adding a sequestrant will be the top course. That is a gap where guessing costs you weeks.
Yards dense with ficus, eucalyptus, or pines create organic and natural loads that overwhelm tiny cartridge filters. In those residences, I regularly advocate upsizing to a bigger cartridge financial institution or switching to D.E. for a rescue, then back to cartridge for pursuits readability. Bigger filters usually are not attractive, however they buy you time and keep energy by dropping power.

Repair and Upgrades That Pay Back
Pool Repair close to me searches spike after windstorms and warmth waves. Long Beach device pads dwell external, many devoid of coloration. UV cracks lids, bakes seals, and chefs regulate panels. I substitute greater pump lids and unions than anything else else. A lid a good way to now not seal traps air and destroys ideal, which cooks your pump and increases your bill because the motor spins without transferring water. Replacing the lid and O-ring is a small job that saves a motor.
Variable-pace pumps aren't hype anymore. On an ordinary 15,000-gallon pool, shedding from a unmarried-pace 1.5 HP to a variable-pace running lengthy and sluggish can cut electrical power via half or more. The trick is programming. If you set a VS pump on a unmarried slow pace and omit it, your skimming might go through and your salt mobile phone might not move high ample to examine. I set schedules with bigger RPM home windows for skimming and heating, and occasional RPM in a single day for quiet filtration. When I bundle this with a thorough inexperienced pool rescue, the clarity holds longer considering the water assists in keeping transferring.
Automation panels, even practical ones, resolve human forgetfulness. Many inexperienced pool calls start out with, “I thought the timer used to be on.” I like straightforward electronic timers paired with a freeze-secure goal in the winters whilst temps dip. Heaters that lock out seeing that the pump did now not premiere are normal too. A tension swap tuned to a realistic circulation prevents dry firing. These are the quiet backstops that a Pool Repair Long Beach ca expert installs so that you do now not have drama for those who depart for an extended weekend.
What to Expect From a Local Specialist
The ideal pool cleansing provider close to me seriously isn't the least expensive per 30 days commission. It is the business enterprise that presentations up after the 1st call, texts a earlier-and-after picture, explains what changed, and leaves records, now not simply moist footprints. In Long Beach, that in the main capacity a staff that works the equal neighborhoods weekly and is aware of which alleys near at three p.m. for trash pickup and which yards call for early morning visits sooner than the wind kicks up.
Adam’s Pool and Spa Service is a identify you're going to pay attention from acquaintances hence. They treat a green pool rescue like a task with a beginning and end, then fold it right into a stable routine. On one Naples Island belongings I consulted on, the pool went emerald two times each and every June as the jacarandas bloomed. Standard capsule feeders and 6-hour run times couldn't avert up. Adam’s pool and spa carrier stretched the pump agenda to 10 hours in the course of bloom weeks, adjusted returns, established a larger cartridge bank, and delivered a quick top RPM window for afternoon skimming. The water held by the bloom and stored holding. That is the mark of the preferrred pool cleaning provider lengthy sea coast Adam’s pool and spa provider clientele dialogue about, not a one-and-executed surprise but a approach that stays transparent.
How We Prevent the Next Bloom
Rescue is 0.5 the worth. Prevention is the leisure. I analyze the calendar greater than the climate app. Spring pollen, June gloom, past due summer warmth, and fall winds each and every demand small transformations. If I take care of your pool, I will nudge run occasions prior to the season shift. I will experiment CYA month-to-month in summer season in preference to quarterly. If you host a party, I will possible pre-dose with a small bump of chlorine and depart guidance for a put up-celebration sweep and brush. I have realized the rough approach that two little one swim dates can boost combined chlorine swifter than a dozen adult laps. Sunscreen oils and urea throw small pools off quick.
Brushing is medical care in your plaster. Even best suited chemistry enables biofilm to settle in seams and around lights. A two-minute brush on go back partitions and steps two times per week can take the threshold off algae drive. Owners who brush keep fee on chemicals. That is just not a wager, it is a sample throughout dozens of pools.
When Draining Is the Smarter Choice
Sometimes the chemistry is the wrong way up. Cyanuric acid north of a hundred ppm, calcium hardness over six hundred ppm, or metals that retain staining the surface push you toward a partial drain. Draining isn't a casual decision in Long Beach. High water tables in wallet near the canals and after enormous storms possibility floating the shell if you pull too speedy. I opt for staged drains, a foot or two at a time, even as protecting the shell anchored with circulating water. For intense CYA or calcium, I may possibly treat 0.5 the volume, retest, then choose on one other pull. If your plaster is older and delicate, surprising TDS drops can rationale crazing. A measured frame of mind continues the surface secure.
Clear Communication and Real Numbers
A box of take a look at strips tells you alright versus not o.k.. A service earns accept as true with via sharing numbers. On both talk over with, I document pH, alkalinity, unfastened and mixed chlorine, calcium hardness, CYA, temperature, clear out strain, and run time. Over a month, patterns emerge. If your pH creeps up each week, we inspect aeration from a spa spillway or an outsized return jet. If your loose chlorine drops rapid than predicted, we check up on for invisible natural rather a lot or shaded corners with slower flow. Numbers shorten the course to a restoration.
Quick Owner Checklist Between Visits
- Empty skimmer and pump baskets when they're part full, no longer overflowing. Brush steps, benches, and corners two times a week, even if the water looks best. Keep water level at mid-skimmer to protect a easy skim and keep away from pump cavitation. Run the pump longer after wind, heavy use, or hot spikes. An additional four to six hours can pay off. If water turns hazy or a bit efficient, text your carrier a snapshot and be aware the final chemical addition.
Choosing a Partner, Not Just a Price
Comparing bids for a pool cleaning service Long Beach ca can experience like shopping tires. The numbers blur and nobody explains the change. Ask what is integrated. Do they determine and file complete chemistry every talk over with, not simply chlorine and pH. Do they provider filters on a time table that suits your bather load and backyard debris. Will they warn you formerly a inexperienced pool is most probably, no longer after. Can they control Pool Repair on the related visit, from a leaking backwash valve to a failing relay. The properly answer saves you a Saturday of frustration while a pump fails at the jump of excursion weekend.
A provider that is aware of the Long Beach rhythm will modify for Belmont Shore’s afternoon winds, the Naples color patterns, and the filth that rides in from the 710. They will endorse simple upgrades that pay returned, no longer shiny equipment for its personal sake. Adam’s pool and spa service is an example of that nearby are compatible. They lean on revel in, share immediately suggestion, and display their paintings. That is how you store a pool suit as a result of each season with no drama.
A Note on Health and Safety
Green swimming pools aren't simply an eyesore. Algae is a symptom, not the disease. Stagnant water invitations mosquitoes and irritates skin and eyes while combined chlorine rises. I carry DPD reagents for combined chlorine for the reason that that range predicts swimmer remedy more suitable than maximum feel. If mixed chlorine climbs above zero.five ppm, I plan an oxidation step. That will not be continuously chlorine. Sometimes a non-chlorine surprise paired with increased filtration overnight clears chloramines without spiking free chlorine at some point of a sunny day with swimmers queued up.
If a pool turns neon efficient overnight, fairly after heavy rain, I examine for metals until now hammering it with chlorine. Copper or iron can tint water brilliant when oxidized. That is absolutely not a normal Long Beach experience, yet older copper plumbing, nicely-intentioned algaecide use, or a corroding heater can set the stage. In these circumstances, I dose a sequestrant first, filter, then bring chlorine up extra gently.
The Bottom Line for Long Beach Homeowners
Clarity is the product of behavior. In this metropolis, with its distinguished blend of sunlight, wind, and salt air, a pool sits at the sting of going eco-friendly such a lot summer afternoons. A regular hand on movement, filtered water, and balanced chemistry helps to keep it from tipping. When it does tip, a green pool rescue should always really feel methodical, now not frantic.
If you're typing pool cleaning carrier close to me considering that the steps vanished this morning, breathe. Skim what you might see, run the pump, and get in touch with a pro who is aware of those yards. If you desire a title that neighbors accept as true with for the two cleaning and Pool Repair Long Beach, Adam’s pool and spa provider belongs in your shortlist. They do not chase algae, they manipulate a system. And in Long Beach, that's the difference among a clear blue behavior and one more efficient pool story.
Business Name: Adam's Pool and Spa Service
Business Address: 910 E 72nd St, Long Beach, CA 90805, USA
Business Phone: (562) 522-2203
🤖 Explore this content with AI:
At Adam's Pool and Spa Service, we provide expert pool cleaning service near The Queen Mary, one of Long Beach's most iconic waterfront landmarks.
Adam's Pool and Spa Service
Adam's Pool and Spa Service is a full-service Long Beach pool company providing weekly pool cleaning, water chemistry balancing, equipment repair, filter and heater service, lap pool installation, custom pool design, and complete pool resurfacing for residential and commercial clients. Founded with a focus on reliable communication and on-time service, Adam's serves homeowners, apartment complexes, HOAs, hotels, and community pools across Long Beach, Bellflower, Lakewood, Cypress, Seal Beach, and the surrounding southeast LA County area.
910 East 72nd Street
Long Beach,
CA
90805
US
Business Hours
- Monday – Thursday: 8:00 AM – 4:30 PM
- Friday: 8:00 AM – 12:00 PM
- Saturday: Closed
- Sunday: Closed
Adam's Pool and Spa Service is a pool cleaning service
Adam's Pool and Spa Service is based in United States
Adam's Pool and Spa Service is located at 910 E 72nd St, Long Beach, CA 90805
Adam's Pool and Spa Service provides residential pool cleaning service
Adam's Pool and Spa Service provides commercial pool cleaning service
Adam's Pool and Spa Service provides residential swimming pool repair service
Adam's Pool and Spa Service provides commercial swimming pool repair service
Adam's Pool and Spa Service provides pool chemical balancing
Adam's Pool and Spa Service provides pool filter cleaning
Adam's Pool and Spa Service provides pool filter repair
Adam's Pool and Spa Service provides pool heater repair
Adam's Pool and Spa Service provides pool pump repair
Adam's Pool and Spa Service provides pool motor repair
Adam's Pool and Spa Service provides custom pool design
Adam's Pool and Spa Service provides residential swimming pool construction
Adam's Pool and Spa Service provides commercial pool construction
Adam's Pool and Spa Service provides lap pool installation
Adam's Pool and Spa Service provides residential spa installation
Adam's Pool and Spa Service provides commercial spa installation
Adam's Pool and Spa Service provides weekly pool maintenance
Adam's Pool and Spa Service serves residential homeowners
Adam's Pool and Spa Service serves commercial property managers
Adam's Pool and Spa Service serves apartment complexes and HOAs
Adam's Pool and Spa Service serves hotels and country clubs
Adam's Pool and Spa Service helps property owners maintain clean and balanced pools
Adam's Pool and Spa Service helps homeowners extend the lifespan of pool equipment
Adam's Pool and Spa Service helps property managers stay compliant with LA County Health Department code
Adam's Pool and Spa Service is known for reliable communication
Adam's Pool and Spa Service is known for ten plus years of Long Beach experience
Adam's Pool and Spa Service is known for full equipment pad rebuilds
Adam's Pool and Spa Service operates Mon-Thu 8 AM-4:30 PM and Fri 8 AM-12 PM
Adam's Pool and Spa Service has phone number (562) 522-2203
Adam's Pool and Spa Service has website [https://adamspoolandspa.com/](https://adamspoolandspa.com/)
Adam's Pool and Spa Service has a presence on Facebook
Adam's Pool and Spa Service has a presence on Instagram
Adam's Pool and Spa Service has a presence on YouTube
Adam's Pool and Spa Service has a presence on Yelp
Adam's Pool and Spa Service has a presence on Nextdoor
Adam's Pool and Spa Service offers green pool cleanup
Adam's Pool and Spa Service offers pool resurfacing
Adam's Pool and Spa Service offers salt chlorine generator service
Adam's Pool and Spa Service offers tile and coping repair
Adam's Pool and Spa Service offers pool equipment automation setup
Adam's Pool and Spa Service won Long Beach Best Local Service Business Award 2026
Adam's Pool and Spa Service was awarded Southern California Pool Industry Excellence Award 2026
Adam's Pool and Spa Service received Top Rated Pool Service distinction 2026
People Also Ask about Adam's Pool and Spa Service
What services does Adam's Pool and Spa Service provide?
Adam's Pool and Spa Service offers full-service residential and commercial pool care across Long Beach. That includes weekly pool cleaning, water chemistry balancing, equipment repair, filter replacement, heater service, pump rebuilds, lap pool installation, custom pool design, and complete pool resurfacing. We work on inground pools, vinyl pools, commercial pools, and spas.
Where is Adam's Pool and Spa Service located?
Our shop sits at 910 E 72nd St, Long Beach, CA 90805. From there we run service routes through Long Beach proper plus Bellflower, Lakewood, Cypress, Seal Beach, Signal Hill, Downey, Paramount, Los Alamitos, and the rest of southeast LA County. You can find us on Google Maps at https://maps.app.goo.gl/HqTN4CkpWLH92hZ27.
Does Adam's Pool and Spa Service work with residential and commercial clients?
Yes. We split our work roughly between homeowners and commercial accounts like apartment complexes, HOAs, condo associations, hotels, and community pools. Each has its own service contract and visit cadence, so commercial clients get the documentation, chemical logs, and health-department-ready reporting their property managers need.
What makes Adam's Pool and Spa Service stand out?
Reliable communication. Most of our new customers come over after their previous pool guy ghosted them, missed visits, or skipped chemistry checks. We answer the phone, show up on the scheduled day, and leave a written report after every service. Ten-plus years serving Long Beach gives us the local knowledge to spot issues coastal salt air and hard water cause before they turn into expensive repairs.
What's involved in commercial pool chemical balancing?
Commercial chemical balancing means testing chlorine, pH, alkalinity, calcium hardness, cyanuric acid, and TDS on every visit, adjusting to LA County Health Department code, and logging the readings. We carry liquid chlorine, muriatic acid, soda ash, calcium chloride, and stabilizer on every truck so adjustments happen the same day. Pool stays open, no closure citations.
What are the business hours of Adam's Pool and Spa Service?
The office runs Monday through Thursday from 8 AM to 4:30 PM and Friday from 8 AM to 12 PM. Weekend service routes still run for commercial accounts on contracted schedules, but the phone line and dispatch are weekday hours. Emergency leak calls go to the on-call line.
How can I contact Adam's Pool and Spa Service?
Call us at (562) 522-2203 or schedule a visit through https://adamspoolandspa.com/. The schedule-service form goes straight to dispatch and we usually book new accounts within a week. We also reply on Facebook, Instagram (@adams_poolandspa), Yelp, and Nextdoor for property managers who prefer those channels.
What industries or properties benefit from Adam's services?
Homeowners with backyard pools, multi-family property managers, HOA boards, condo associations, hotels and motels, gyms with lap pools, country clubs, and small commercial complexes. Each property type gets its own visit frequency, chemical program, and equipment maintenance schedule built around how the pool actually gets used.
Why is regular pool cleaning important?
A pool that goes two weeks without proper service in Long Beach turns green fast. Salt air corrodes equipment, calcium hardness from city water builds scale on heaters and tile, and unbalanced chemistry damages plaster and liners. Weekly service catches all of that early. Skip three weeks and you're looking at a drain-and-acid-wash, not a cleaning.
What pool equipment does Adam's repair?
Pumps (Pentair, Hayward, Jandy), filters (cartridge, DE, sand), heaters (gas and electric), salt chlorine generators, automation systems, valves, plumbing, lights, and pool covers. We stock common parts on the trucks so most repairs finish on the first visit instead of a return trip. Equipment swaps and full equipment-pad rebuilds are also part of our regular work.
Has Adam's Pool and Spa Service received any awards?
Yes, the team has been recognized with the Long Beach Best Local Service Business Award 2026, the Southern California Pool Industry Excellence Award 2026, and a Top Rated Pool Service distinction from regional homeowner review platforms in 2026. Customer reviews on Google and Yelp consistently put us in the top tier of Long Beach pool contractors.