Product Overview
SeaKlear PhosKlear 4000 is a powerful phosphate remover designed to reduce phosphate levels that can feed algae and contribute to dull, hard-to-manage pool water. By targeting phosphates at the source, PhosKlear 4000 helps your sanitizer work more efficiently and supports consistently clear, inviting water.
Ideal For
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Pools struggling with recurring algae despite proper chlorine levels
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Reducing phosphate buildup from leaves, pollen, rain, runoff, and swimmer waste
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Improving overall water clarity and filtration performance
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Ongoing preventative maintenance for pools prone to algae pressure
Key Features
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High-strength phosphate remover (PhosKlear 4000)
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Helps reduce nutrients that algae depend on
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Supports clearer water and easier pool maintenance
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Works with most pool types and filter systems
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32 oz bottle for convenient dosing and storage
Benefits
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Helps prevent algae problems: Less phosphate means less fuel for algae growth.
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Boosts water clarity: Helps your filter capture and remove phosphate-related debris.
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Easier maintenance: When phosphates are under control, sanitizer demand may feel more manageable.
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Great for trouble pools: Ideal when water won’t stay clear or algae keeps returning.
How to Use
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Test phosphates (recommended) to determine treatment needs.
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Ensure circulation is running and water chemistry is reasonably balanced.
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Add the product per label directions—typically poured slowly into the skimmer or in front of a return jet.
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Allow the filter to run continuously as directed; water may cloud temporarily as phosphates are captured.
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Clean/backwash filter as needed after treatment.
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Retest phosphates and repeat if necessary.
Temporary cloudiness is normal—this indicates phosphates are being bound for removal by your filter.
What’s Included
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1 x 32 oz bottle SeaKlear PhosKlear 4000 Phosphate Remover
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Item / MPN: 90265SKR
Customer-Facing Q&A
Q: What do phosphates do in pool water?
A: Phosphates act as a nutrient source for algae. High phosphate levels can make algae blooms more likely and can contribute to water that’s harder to keep clear.
Q: Will this kill algae?
A: PhosKlear 4000 isn’t an algaecide—it removes phosphates (algae “food”). If you currently have algae, treat the algae first with a proper sanitizer/shock routine, then reduce phosphates to help prevent it from coming back.
Q: Why did my pool turn cloudy after adding it?
A: Cloudiness is common and usually means the product is binding with phosphates so your filter can remove them. Run the filter and clean/backwash as needed.
Q: How often should I use phosphate remover?
A: It depends on your pool environment. Pools with heavy debris, frequent rain/runoff, or lots of use may need periodic phosphate maintenance. Testing phosphates is the best way to determine timing.
Q: Is it safe for all pool types?
A: It’s generally compatible with most pools and equipment, but always follow label directions—especially if you have a specific surface type or cartridge/DE/sand filtration.
Safety & Storage
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Store tightly closed in a cool, dry place.
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Avoid contact with eyes/skin; follow label precautions.
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Keep out of reach of children and pets.