Lo-Chlor Chemicals | 954.491.9810 | 800.491.9810 | Contact Us | 5841 Powerline Rd | Suite # 202 | Ft. Lauderdale | FL | 33309
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Lo-Chlor, Lo-Phos, starver, phosphate remover, phosphates in pool, phosphate removal

Lo-Phos PRO
Lo-Chlor's SOLUTION for phosphate removal!

  • Compatible with all pool chemicals
  • Non-toxic and safe for people, pets and environment
  • Effectively eliminates phosphates from pool water
  • Highly concentrated formula - low cost per dose!
  • Great for use as weekly preventative maintenance
  • Helps Salt Chlorine Generators work more efficiently
  • Minimizes pool maintenance & boosts efficiency of sanitizing chemicals

Lo-Phos PRO Instructions for Use

With Filter:

  1. Clean or backwash filter before treatment. Make sure pool water chemistry is balanced
  2. Spread proper dose over as wide a surface as possible. Use the chart below to determine dose
  3. Clouding is expected to occur, it's the product binding to phosphates
  4. Run filter continuously for 24 hours. Check the filter pressure regularly to ensure it stays within manufacturer limits. As pressure builds, backwash or clean the filter
  5. Retest phosphate levels and retreat as necessary
    • After initial treatment lowers phosphate levels, a maintenance dose over the next few weeks will save time and effort

Without Filter:

  1. Spread proper dose over as wide a surface as possible. Use the chart below to determine dose
  2. Clouding is expected to occur, it's the product binding to phosphates
  3. Let pool sit overnight without the pool pump running. Bound phosphates will settle to the bottom of the pool
  4. Vacuum sediment to waste
  5. Retest phosphate levels and retreat as necessary
    • After initial treatment lowers phosphate levels, a maintenance dose over the next few weeks will save time and effort
  • IMPORTANT: Since algae produces phosphates, visible algae should be treated prior to phosphate removal

Where do phosphates come from?

Phosphates are organic building blocks that form when phosphoric acid reacts with various elements found in nature. Phosphates come from leaves, fertilizers and bather wastes such as sweat and urine. Other phosphates sources are detergents, some insecticides, soft drinks, toothpaste and even some pool chemicals.

How much phosphate is too much?

As little as 0.2 ppm of phosphate can result in outbreaks. Interestingly, in cases where pools have excessive outbreaks, the test may register a very low or zero reading on the Phosphate Test Strips. This is because virtually all of the phosphate has been consumed. This phosphate is now organically bound and is not measured by the test. When outbreaks are treated (super chlorination and/or the addition of Lo-Chlor Pool Algicide), this organically bound phosphate will be released into the water.

How does Lo-Phos PRO work?

The active ingredient in Lo-Phos PRO works by absorbing phosphate ions from the water while releasing chloride ions. The resultant material remains as extremely insoluble particles, which are easily washed or backwashed through the filter media.


Phosphate Level (ppb)
500 1000 1500 2500+
Pool Capacity
5,000 Gallons 1 oz. 2 oz. 3 oz. 5 oz.
10,000 Gallons 2 oz. 4 oz. 6 oz. 10 oz.
15,000 Gallons 3 oz. 6 oz. 9 oz. 15 oz.
20,000 Gallons 4 oz. 8 oz. 12 oz. 20 oz.

Lo-Phos PRO Brochure