Hot Tub Clarifiers & Phosphate Removers
Hot tub clarifiers and phosphate removers for water that stays cloudy or dull after it has been balanced and sanitized. A clarifier gathers fine particles so the filter can catch them; a phosphate remover takes phosphates out of the water. Shop: Sanitizers | Shock & Oxidizers | Clarifiers & Phosphate Removers | Purge & Line Flush | pH & Water Balancers | Filter Cleaners | All Water Care
Showing all 6 resultsSorted by price: high to low
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Water Care Products
Sea Klear – Phosklear 4000
Original price was: $34.99.$31.99Current price is: $31.99. Add to cart -
Blu Fusion TS Salt System
Blu Fusion – Tru Start – Clarifier
Original price was: $15.95.$12.67Current price is: $12.67. Add to cart
Clarifier or phosphate remover: which do I need?
Cloudy or dull water: Leisure Time Bright & Clear is a concentrated clarifier that binds fine suspended particles together so the filter can capture them. Softcare by Softub Water Clear is a flocculant that gathers fine suspended solids so they are filtered out or settle to the bottom for removal. Unique Clarifier and More is a clarifier for pools and spas that coagulates impurities and suspended particles.
Phosphates: Sea Klear PhosKlear 4000 is a concentrated phosphate remover that removes up to 4,000 ppb and can be used for treatment and for weekly maintenance.
Both, for weekly maintenance: Sea Klear Free & Klear is a three-in-one: a natural clarifier, a phosphate remover and enzymes. It is listed as compatible with all sanitizers.
Blu Fusion owners: Tru Start Clarifier is used when first filling a hot tub equipped with the Blu Fusion TS salt water generator.
A clarifier hands the particles to the filter, so rinse or clean the filter afterward. See hot tub filter cleaners.
Always follow the directions on the product label.
✅ Not Finding What You Are Looking For? Ask Us
Tell us your spa brand, model and year, which sanitizer you use and how long the water has been cloudy.
A photo helps:
- The water as it looks now
- Your latest test strip next to the bottle chart
- The filter after rinsing, pleats facing the camera
We’ll tell you whether it looks like a clarifier, a phosphate remover or a filter job before you order.
Hot Tub Clarifier & Phosphate Remover FAQs
It binds fine suspended particles together so the spa filter can capture them. Those particles are too small for the filter to catch on their own, which is why the water looks hazy.
When the water still looks cloudy or dull after it has been balanced and sanitized. Add it with the circulation system running and follow the directions on the product label.
Well water and city water can both carry phosphates, and the best way to know is to test for them with a phosphate test. Other signs are cloudy water and chlorine or bromine levels you can never seem to keep in range.
No. A clarifier does not replace chlorine, bromine or another approved sanitizer.
The filter collects the suspended material, so rinse or clean it as needed after treatment.
Softcare by Softub Water Clear is the clarifier in Softub’s own Softcare line. Never mix it with any other chemical, and follow the directions on the product label.
Orders over $99 ship free in the lower 48.