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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Packed with O-rings
maintain proper sanitizer and pH/alkalinity
more thorough cleanings
Improves filter performance and extends run times by reducing buildup
and extends pool-life
AquaChek Total Hardness Test Strips scale remover Packed with O-ringsAquaChek Total Hardness Test Strips are designed to measure both high and low calcium hardness levels in pools and spas. Use this test to prevent damage causing scale and corrosion caused by excessive levels of total hardness. The Total Hardness Test measures the amount of magnesium and calcium that have accumulated to form the hardness level in the pool or spa water.
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