Tests carbonate hardness(alkalinity) to prevent ph problems in both fresh and salt water,Helps to maintain the correct buffering capacityTest Solution Test Tubes With Caps Instructions Computer-Analyzed Laminated Color Card To Read Results.
Tests carbonate hardness(alkalinity) to prevent ph problems in both fresh and salt water,Helps to maintain the correct buffering capacityTest Solution Test Tubes With Caps Instructions Computer-Analyzed Laminated Color Card To Read Results.