Chemicals & Water Testing Products

Bio Ouster 3in1 Weekly Cold Plunge Water Treatment is a single, professional-strength 32 oz formula that cleans, clarifies, and softens cold plunge and ice bath water with one weekly dose. Keep your plunge water clear, balanced, and free of slimy residue without frequent draining...

HTH 52047 Salt Shock is a fast-dissolving dichlor chlorine shock sold as five 12‑ounce packets to quickly clear contaminants and support salt chlorine generators in pools up to 10,000 gallons. Keep your saltwater pool clear and ready for use with an easy, concentrated shock...

Clorox Pool&Spa Shock Clear is a fast-dissolving pool shock that clears cloudy water and lets you swim again in as little as 15 minutes. Routine shocking removes organic contaminants and helps restore sparkle and clarity to pool water. This 6-pack of Clorox Pool&Spa Shock...

AquaDoc Copper Algaecide is a 32 oz, long-lasting copper-based formula that helps prevent and control common pool algae for up to 90 days when used as directed. Keeping pool water clear and algae-free takes regular, reliable treatment — AquaDoc’s Copper Algaecide delivers sustained algae...

ARM & HAMMER Clear Balance pH Maintenance Tablets are pre-measured baking soda tablets that help maintain pool alkalinity and pH for clearer, more comfortable swim water. Keep your pool water balanced without fuss: these 24 individually measured tablets use ARM & HAMMER baking soda...

HTH Algae Guard Ultra 32oz is a concentrated, non-foaming algaecide formulated to kill and prevent heavy green, black, and mustard algae for up to three months. Keep your pool clear and swim-ready with a professional-strength treatment designed for rapid action and long-lasting protection. HTH’s...

Xtremeclear 3" Swimming Pool Chlorine Tablets are professional-grade, 99% pure trichloro-s-triazinetrione tablets that dissolve slowly to deliver consistent, long-lasting sanitation for pools and spas. Keep water clear and safe with a dependable, stabilized chlorine solution formulated to resist UV breakdown and provide steady residual...

SpaGuard Spa Chlorinating Concentrate is a fast-dissolving granular chlorine sanitizer and shock designed to keep spa water clear, sanitized, and easy to maintain. This 2 lb single-pack of SpaGuard Chlorinating Concentrate delivers concentrated chlorination in a granular form that dissolves quickly when added to...

LEISURE TIME Spa 56 Chlorinating Granules are a fast-dissolving, spa-formulated chlorine sanitizer that kills bacteria and controls algae to keep hot tub water clear. These highly concentrated granules are designed specifically for spas and hot tubs to deliver consistent sanitization without the heavy dosing...

MAV AquaDoc Hot Tub Chlorine Granules are a fast-dissolving granular sanitizer formulated to keep spa and hot tub water clear and easier to maintain when used as directed. Maintaining balanced, clear water is essential for enjoying a hot tub. These quick-dissolving chlorine granules from...

SpaGuard Brominating Concentrate is a pH-neutral, single-step granular sanitizer and oxidizer designed to simplify spa and hot tub water care. Designed for spa owners who want an easy, reliable way to keep water clean, SpaGuard Brominating Concentrate combines sanitation and oxidation in one granular...

SpaGuard Stain and Scale Control (1 qt) is a liquid treatment that prevents calcium and mineral scale from forming on spa surfaces and equipment by sequestering hard-water ions. Hard water minerals like calcium carbonate can form white, crusty scale on shells, heaters, and plumbing,...

Clear Works Cyanuric Acid Pool Stabilizer & Pool Conditioner is a one-gallon liquid treatment that helps protect and extend the life of chlorine by reducing sunlight-driven breakdown. Maintaining effective chlorine levels in outdoor pools can be a challenge when UV rays rapidly dissipate sanitizer....

BubbyShine Phosphate Remover is a 3 L weekly pool treatment that lowers phosphates through easy skimmer dosing to help reduce nutrients that feed cloudiness and algae. Maintain clearer pool water with a targeted phosphate control product formulated for routine use and quick application. This...

Clorox Pool&Spa Spa Water All-in-One Sanitizer & Shock is a stabilized chlorinator that both sanitizes and shocks spas to destroy contaminants and rapidly clear cloudy water. Designed for hot tubs and small spas, this 2 lb single-pack combines routine sanitation and shock treatment in...

Bio Ouster 3-in-1 Weekly Care is a pre-measured, four-week hot tub treatment that cleans jets and pipes, clarifies cloudy water, and conditions water for softer soaks with no draining required. Keep your spa water clearer and plumbing cleaner between deep cleans with a single,...

Clorox Pool&Spa Crazy Clarifier is a concentrated treatment that gathers tiny suspended particles so your filter can remove them, producing noticeably clearer pool water after one treatment. Designed for routine pool care, this 128 fl oz bottle of Crazy Clarifier offers a highly concentrated...

MAV AquaDoc Spa Stain and Scale Control is a professional-grade 32 oz liquid treatment that prevents metal staining and mineral scale in hot tubs, spas and small pools. Keep your spa water clear and equipment protected with a formula designed to bind metals and...

Oh Yuk Healthy Hot Tub Cleaner is a concentrated 16-ounce formula designed to remove hidden buildup from hot tub plumbing, jets, and pipes to help restore water clarity and improve circulation. Built for both indoor and outdoor spas, this cleaner targets the grime and...

Pool Mate 16-Pounds Premium Calcium Hardness Increaser is a dry granular calcium chloride formula designed to raise and stabilize your pool's calcium hardness to the recommended range for safer, longer-lasting surfaces. Keeping calcium hardness in the proper window helps protect your pool finish, equipment,...

Pool Mate 10-Pounds Premium pH Up is a fast-acting sodium carbonate formula designed to raise and stabilize swimming pool pH safely to the recommended 7.4–7.6 range. Keeping pool pH in the optimal window prevents corrosion, cloudy water, and swimmer discomfort. Pool Mate pH Up...

Yellow Treat is a concentrated algaecide formulated to eradicate mustard and yellow algae quickly in saltwater, chlorine, and freshwater pools. Designed by United Chemical and trusted since the early 1980s, Yellow Treat targets the stubborn species of mustard and yellow algae that standard treatments...

Natural Chemistry Phosfree is a lanthanum-based liquid treatment that removes phosphates in your pool by coating filter media so phosphates bind and are filtered out. Phosphates act as a food source for algae and can make pool care more difficult. Natural Chemistry Phosfree Phosphate...

HTH 2-Step Green to Blue is a two-part Cal Hypo shock and flocculant system designed to clear severe algae and restore pool water from green to blue within about 24 hours. When an algae bloom turns your pool cloudy or green, the HTH 52038R...

HTH Multi-Use Shock Treatment is a fast-dissolving calcium hypochlorite (Cal Hypo) formula that quickly boosts free chlorine to sanitize, clarify, and help prevent algae and bacteria without adding cyanuric acid. Keep your pool water clear and balanced with an easy-to-use shock that targets common...

MAV AquaDoc Spa pH Increaser is a 32 oz pH-up formula designed to raise and stabilize hot tub pH and support balanced hot tub chemistry. Keeping spa water in the correct pH range preserves sanitizer effectiveness, reduces scale and cloudiness, and makes soaking more...

Pool Mate 1-Quart Premium Black Algaecide is a concentrated, non-foaming algaecide made in the USA that kills and prevents black algae while clarifying pool water without closing the pool. Keep pool water clear and free of black algae with a product designed for routine...

Leisure Time Spa Stain and Scale Control Defender is a concentrated treatment that prevents and helps remove mineral scale and staining to keep spa water clear and equipment protected. Keeping a hot tub free of scale and unsightly stains means longer-lasting equipment and clearer...

Regal Algaecide 60 is a concentrated, non-foaming 60% polyquat algaecide formulated to prevent and control green, black, and mustard algae in pools, spas, and water features. Designed for routine use, Regal Algaecide 60 is a non-metallic formula that works with common pool systems, including...

The Pool Blok Pumie 2-pack are natural pumice cleaning sticks designed to remove calcium, lime and mineral stains from pool tile and plaster without harsh chemicals. If your pool waterline or plaster has dulling mineral buildup, these pumice stones give you a mechanical option...

MAV AquaDoc Hot Tub Clarifier is a fast-acting 16oz spa clarifier that gathers microscopic particles so your hot tub water runs clear and your filter works longer. If your spa water looks dull, hazy, or has fine suspended particles that resist normal sanitizing, a...

FROG @Ease Test Strips are a 60-count kit that quickly measures SmartChlor, pH, total alkalinity, and total hardness for hot tubs and swim spas. Keep water balanced and your FROG @Ease SmartChlor system functioning properly with these purpose-built test strips. Designed specifically for FROG...

AquaChek 7-Way Silver test strips provide a quick, all-in-one readout for pH, chlorine, bromine, alkalinity, hardness and cyanuric acid in pools and spas. When water chemistry is out of balance it shortens equipment life, irritates skin and eyes, and makes pool care unpredictable. The...

CuLator Metal Eliminator PowerPak 1.0 is a simple drop-in skimmer treatment that continuously removes copper, iron, rust and manganese from pools and spas to prevent stains and improve water clarity. If your pool or spa shows early signs of staining, discoloration, or green tinting...

SpaGuard Enhanced Shock is a concentrated, multi‑action spa oxidizer that shocks, clarifies, flocculates and buffers pH to restore clear, fresh spa water. Keep your spa water sparkling and inviting with SpaGuard Enhanced Shock, a 2 lb single pack formulated to remove organic residue, cut...

AquaChek Yellow 4-Way Test Strips are quick, single-dip test strips that measure free chlorine, pH, total alkalinity and cyanuric acid for pools and spas. Keep water balanced without complicated kits—this 2-pack contains two bottles of 50 fresh Yellow 4-in-1 strips (100 strips total) in...

Clorox Pool&Spa Spa Bromine Tablets are slow-dissolving sanitizing tablets designed to keep hot tub and spa water clear with minimal odor and steady bromine release. These 1.5 lb tablets from Clorox Pool&Spa offer a bromine-based alternative to chlorine that’s formulated for spas and hot...

HTH 52036R Pool Care Shock Advanced is a fast-dissolving 4-in-1 pool shock that sanitizes, clears cloudy water, reduces chlorine odor and irritation, and controls algae for weekly maintenance. Keep your pool water sparkling with a shock formulated to act quickly and without adding cyanuric...

LEISURE TIME RENU2 Renew is a fast-dissolving, non-chlorine oxidizer designed to clear cloudy spa water and remove oils, lotions, and organic waste without harsh chlorine. Keeping hot tub water clear and inviting requires more than routine sanitizer dosing; it needs periodic oxidation to remove...

HTH Spa Clear Chlorinating Sanitizer is a fast-acting, chlorine-based granule designed to sanitize and shock treat spas and hot tubs, killing algae and bacteria while helping prevent chlorine loss. Keep your spa water clear and comfortable with a sanitizer formulated specifically for chlorine systems....

AquClor Upgrad Chlorine Floater with Thermometer is a solar-powered, 3-in-1 floating pool chlorinator that dispenses chlorine, shows water temperature on a large LCD, and provides ambient lighting. This compact, patent-protected floater combines an adjustable chlorine dispenser, an easy-to-read digital thermometer, and a solar LED...

bestprod 7-in-1 Pool and Spa Test Strips are a fast, portable way to measure pH, free chlorine, total chlorine, bromine, hardness, alkalinity, and cyanuric acid for pools and hot tubs. Keep pool and spa water balanced without bulky equipment: this 150-count kit gives clear...

Pool Elevate Pool Clarifier is a fast-acting, long-lasting clarifying treatment that coagulates fine particles so your pool water becomes clear and your filter works more efficiently. Whether you manage a saltwater, above-ground, or in-ground pool, maintaining transparent, inviting water starts with removing the tiny...

HTH Spa 86135 Non-Chlorine Shock Oxidizer is a powder treatment that quickly clears cloudy spa and hot tub water and oxidizes contaminants without adding chlorine. Keep your spa water clear and comfortable with this non-chlorine oxidizer from HTH. Formulated to neutralize organics, ammonia and...

AESCULIX 23-in-1 Drinking Water Testing Kit provides fast, home-friendly checks for 23 common water parameters plus an E. coli screening tool, delivered as 158 color-change strips for routine monitoring. Keep tabs on the safety and general quality of household water with a single, multipurpose...

AquaChek Select Connect 7-way test strips are a fast, 15-second at-home kit that checks pH, total chlorine, free chlorine, bromine, alkalinity, total hardness and cyanuric acid for pools and spas. Keep your pool or spa water balanced without complicated reagents or lengthy procedures. These...

Clorox Pool&Spa Spa Brominating Granules are a fast-dissolving bromine sanitizer designed to keep hot tub and spa water clear with low odor. These 2 lb granules from CLOROX Pool&Spa provide a convenient way to maintain safe-feeling spa water by controlling bacteria and helping preserve...

MAV AquaDoc Chlorine Neutralizer is a 1 lb sodium thiosulfate formula designed to quickly lower excess chlorine in pools and hot tubs so water returns to safe, balanced levels. When chlorine has been over-applied after shocking, or test strips show free chlorine above the...

XtremepowerUS 5-Way Swimming Pool Test Kit gives homeowners a compact, easy-to-use way to measure chlorine, bromine, pH, acid demand, and total alkalinity so you can keep pool and spa water balanced. Whether you maintain an inground pool, above-ground pool, or a backyard spa, water...

SUMMERBUDDY Pool Phosphate Remover is a fast‑acting treatment that lowers phosphate levels to help restore clear, swim‑ready water. Phosphates are a common nutrient in pools that can fuel algae and make water dull. SUMMERBUDDY's advanced rapid‑action formula targets phosphate molecules so your filtration can...