| JBL Test-Combi-Set: CombiSet Complettset for a simple and save controlle of all important values in your aquariumbiotops. 5 different tests for the most important water values: pH (3-10) Iron Fe Carbonate hardness KH (CH) nitrite NO² nitrate NO³ Laboratory compensation system compensates water discoloration. Includes syringe to measure amount of water. Water-resistant plastic case. Contains tables for recording results. |