Natural Chemistry Phosphate Test Kit - 100 Tests | 10080NCM Alkalinity Adjusters It has curved side rails

It has curved side rails that are designed with strength and safety in mind

Hardness and Cyanuric Acid

Automatic reset

Keeps the filter cleaner

Accurate and easy to use

Natural Chemistry Phosphate Test Kit - 100 Tests | 10080NCM Alkalinity Adjusters It has curved side railsNatural Chemistry Phosphate Test Kit 100 Test Strip Package, intended for pool professionals for high volume testing. If you need less testing, please see Natural Chemistry model 10081NCM for the 10 test Phosphorus Test version. Testing phosphate levels ensures you can eliminate phosphate when it rises to high, preventing algae blooms from occurring during warmer weather and heavy pool use. Don't forget to make sure you have Phosphate Removers on hand