API API KH Test Kit for Fresh or Saltwater API Test Kit KH for Fresh or Saltwater.Tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Can be used to determine the proper dose of pH buffers. API... MSRP: Was: Now: $8.99 Add to Cart
API API Freshwater Master Test Kit API Master Freshwater Test Kit This kit tests tap water and aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate... MSRP: Was: Now: $39.99 Sold Out - More on the way
