Pool & Spa Chlorine

HTH Shock Advanced is a fast-dissolving, cal-hypo pool shock in a 24-count pack that kills bacteria, prevents algae, reduces chlorine odor, and clears cloudy water without adding cyanuric acid. If you manage a residential pool and want reliable weekly maintenance, HTH Shock Advanced offers...

E-z Pool Concentrated Pool Blend 5 lb with Test Strips is a once‑a‑week, all‑in‑one pool treatment that clarifies, conditions and helps balance water for swim‑ready results. This concentrated formula arrives in a convenient 5 lb bucket with colorimetric test strips so you can treat...

FROG @Ease Replacement SmartChlor Cartridge 3-Pack with pH and Total Alkalinity Decreaser plus one Maintain Shock is a ready-to-use hot tub water treatment kit that delivers low, steady chlorine levels while correcting pH and alkalinity. Keep your hot tub water clear and comfortable with...

E-z Pool 5# Bucket is a weekly, concentrated all‑in‑1 pool care blend that oxidizes contaminants, controls algae, clarifies water, and helps prevent scale and stains. Keep your backyard pool clear and swim‑ready with one straightforward weekly treatment. This concentrated formula is designed to break...

MAV AquaDoc Hot Tub Chlorine Granules are a fast-dissolving 5 lb spa sanitizer formulated to provide a steady source of available chlorine for routine hot tub water care. Keeping spa water clear and safe-looking requires consistent sanitization and easy-to-use products. AquaDoc Hot Tub Chlorine...

SpaChoice Premium Spa Sanitizing Chlorine Granules are a fast-dissolving, measured chlorine sanitizer designed to keep hot tub and spa water clean and clear when dosed and tested correctly. These chlorine granules come in convenient 2-lb containers sold as a 4-pack to supply routine and...

Pool Mate 8-Pounds Premium Pool Chlorine Granules are a concentrated, stabilized chlorine sanitizer designed to keep pool water clear by maintaining a consistent chlorine residual. These made-in-USA granules dissolve quickly and deliver reliable sanitizing power for routine chlorination or occasional shock treatments. Formulated to...

The MAV AquaDoc Inflatable Hot Tub Chemical Kit is an all-in-one chlorine and spa chemical starter set designed to keep inflatable tubs clear, balanced, and ready for safe use. Keeping water balanced in an inflatable hot tub is easier when you have a single...

Hot Tub Things Chlorine Starter Kit is an all-in-one spa chemical pack containing chlorinating granules, pH/alkalinity adjusters, oxidizing shock, clarifier, stain prevention, and test strips to simplify hot tub water care. Keep your spa ready to use with a compact kit that gathers the...

Hot Spring Concentrated Chlorinating Granules 3.5 lb is a freshwater spa sanitizer in a concentrated granular formula designed to quickly raise and maintain free chlorine levels. This compact 3.5-pound bottle from Hot Spring contains concentrated chlorinating granules formulated for freshwater hot tubs and spas....

FROG Bac Pac Replacement Chlorine Cartridges are prefilled trichlor cartridges made to fit Pool FROG Model 5400 and 6100 Cyclers for simple, measured pool sanitizing. Keep your pool water clear and consistently sanitized without measuring loose chemicals. These FROG Bac Pacs arrive prefilled with...

The FROG Pac 540C is a prefilled trichlor chlorine cartridge engineered to fit the Pool FROG XL PRO Cycler and deliver consistent, low-maintenance chlorination for residential pools. Replaceable and ready to use, this FROG Pac 540C cartridge contains a measured 6.16 lb charge of...

MAV AquaDoc Pool Shock 5 lbs is a fast-acting granular chlorine shock that quickly clears cloudy pool water and restores oxidizing protection for inground, above-ground, and saltwater pools. When pool water turns cloudy, or after heavy use and storms, a dependable shock treatment helps...

GLB SuperSonic Calcium Hypochlorite Pool Shock is a fast-acting, cyanuric-acid-free pool sanitizer and shock treatment sold in convenient 1-pound packets (12-pack) for routine clarifying, algae control, and oxidation. Use this 73% calcium hypochlorite formula to quickly raise available chlorine, clear cloudy water, and help...

Leisure Time Spa 56 Chlorinating Granules are a fast-dissolving, stabilized chlorine granule formulated to sanitize and shock spas and hot tubs safely and effectively. These granules provide a steady, UV-resistant source of chlorine designed specifically for spa and hot tub water care. The formula...

Leisure Time Renew Granular spa shock is a fast-dissolving, chlorine-free clarifier that removes oils, lotions and organic residues so you can use your hot tub again within minutes. Designed for spas, hot tubs and small pools, Leisure Time RENU2-04BX Renew Granular delivers a non-chlorine...

Leisure Time Spa 56 Chlorinating Granules are a stabilized, fast-dissolving chlorine formula designed to sanitize and shock spas and hot tubs while minimizing pH disruption. These granules provide a reliable, routine sanitizer for spas and hot tubs, combining quick dissolution with UV stabilization so...

Shock Gems by SilkBalance are single-dose, non-chlorine oxidizer tablets designed to remove body oils and organic contaminants so spa water looks and feels cleaner. Silk Balance Shock Gems are an MPS (monopersulfate) based oxidizer crafted for hot tubs and spas that provides a chlorine-free...

HTS Turbo Oxidizer Shock is a fast-dissolving, oxygen-based non-chlorine shock that clears cloudy pool, spa, and hot tub water without raising chlorine levels. This granular oxidizing shock uses potassium peroxymonosulfate to break down organic contaminants like body oils, lotions, and sweat so filters can...

HTS Turbo Chlorine Granules are a fast-dissolving, stabilized dichlor sanitizer in a 5 lb bucket formulated to keep pool, spa, and hot tub water clear and free from organic contaminants. Maintaining safe, sparkling water starts with a reliable sanitizer. HTS Turbo Dichlor granules deliver...