Safely removes phosphates from swimming pool and spa water. Its natural formula is safe for bathers and for the environment. Phosphates are essential nutrients for algae and can enter the water from rain, fertilizer, sunscreen and others. One bottle of PHOS DEFENCE will remove up to 3,000 ppb of phosphates in 80,000 L of water.
1. Use 15 mL (three capfuls) of PHOS DEFENCE per 10,000 of pool water or one capful in a spa, ona weekly basis to keep phosphate levels below 125 ppb.
1. Backwash filter or rinse cartridge.
2. SPA: Use 15 mL (three capfuls) per 1,000 L to reduce phosphate levels by 1,000 ppb.
3. Disperse the product around the pool or as wide as possible.
4. Run the pump continuously for 24 hours.
5. If the pool filter pressure increases, backwash. Rinse the spa cartridge regularly.
6. Recheck the phosphate levels after 48 hours. If necessary, redo the treatment.
Note: This treatment may cloud the water, this side effect is normal and will clear with filtration.
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