Red Sea KH Alkalinity Pro Test Refill includes 75 titration tests for Alkalinity.
It has an exceptionally high accuracy of 0.05 meq/l (0.14 dKH) and unlimited range for testing.
Know your KH levels to accurately dose and replenish KH back into your system.
KH\ALKALINITY PRO Reef Test Kit REFILL Package size/volume:
75 Test refills for Red Sea KH/Alkalinity Pro Test Kit