CTL Scientific Supply Corp. products

Pack Size: box of 100 strips. Hazard Class /UN Number: Not Restricted. Storage Temp: Room Temperature. Test sticks for the semi-quantitative determination of the total hardness (Ca 2+ , Mg 2+ ), carbonate hardness (HCO 3 û , CO 3 2û ) and the pH value of aquarium water.Ranges:total hardness 5¦ û 25 ¦dcarbonate hardness 3¦ û 20 ¦dpH value 6,4 û 8,4The total hardness of a water is caused by its content of calcium and magnesium salts (Ca 2+ , Mg 2+ ). When measuring the total hardness, the sum of these salts is determined.

Pack Size: box of 25. Hazard Class /UN Number: Not Restricted. Storage Temp: Room Temperature.