Products of JBL
JBL GH Test
JBL ProAquaTest GH test set. A constant JBL GH Test value is for the well-being of the aquarium and pond inhabitants. The hardness is one of the most important values of water as it stabilizes the pH value. Simple and reliable monitoring of water values in aquariums and ponds. • It is wise to test at least twice a week for the first time. • Then you should check the values of PH, GH, h, NO2 and NH3 monthly. • Suitable for fresh and salt water
€8.90*