Natural Chemistry PHOSfree Phosphate Remover, 3 L Bottle | 15121NCM

Natural Chemistry PHOSfree® 3 Liter Phosphate Remover is the most effective way to eliminate unwanted phosphates from pool water. Designed for use prior to weekly maintenance treatments, PHOSfree® uses a lanthanum-based formula that binds phosphates and traps them in the filter without clouding your pool water. This process drastically reduces phosphate levels, helping prevent algae growth and lowering the need for chemical use and maintenance time.

Product Name: PHOSfree® Phosphate Remover
Model Number: 15121NCM
Container Size: 3 Liters (101.4 oz)
Key Ingredient: Lanthanum-based (rare earth) compounds
Application: Add directly to the skimmer while the filter is running
Primary Function: Reduces phosphates to near-zero levels
Performance Features:
- Most effective solution for phosphate removal
- Works directly in the filter – no clouding
- Helps prevent algae growth
- Reduces the need for other maintenance chemicals
- Improves overall water clarity and quality
Compatibility: Safe for all pool surfaces and sanitizing systems
Ideal Use: For initial phosphate elimination prior to starting weekly maintenance

SKU: 15121NCM

Questions about returns? View our return policy.

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Sunday: Closed

We do not ship on Saturday or Sunday.
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We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
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Return Policy:

Products that are received damaged will receive a refund in store credit.
Most products are eligible for return within 30 days of receipt, except where noted below.
To initiate a return, please complete an RMA form prior to sending your item back.
Original shipping costs are non-refundable and will be deducted from the return credit.
Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
Some returns will be charged an automatic 15% restocking fee.
We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
Please complete the return form to receive your RMA number and return shipping label.
Chemical products are not eligible for return under any circumstances.
The Pentair Colorsync 618031 is not eligible for return.
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Capacitors are not eligible for return.
Plastic popup tools are not eligible for return.
Automation components and circuit boards are not eligible for return.
If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.