API Phosphate Test Kit Protein Skimmer or other organic material if

or other organic material if present in your system

accurate feedings

It effectively filters water through 3 stages of filtration

followed by a rinse

API Phosphate Test Kit Protein Skimmer or other organic material ifPhosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contributes to unsightly algae and green water blooms, and in saltwater, excess phosphate can inhibit the growth of hard corals. The API PHOSPHATE TEST KIT tests phosphate levels from 0 to 10 ppm so that you can easily monitor the condition of your aquarium water and may be used in both fresh and saltwater