Rapitest, soil tester for pH, moisture and light intensity
With the Rapitest from VDL you can easily keep an eye on all important parameters. The test is inserted into the substrate and determines the pH value and the moisture of the soil as well as the existing light intensity within seconds. This way you can make sure that everything is in the green zone and that your cannabis plants have the optimal environment.
Thomas Lentzen (Verified owner) - –
Easy to use and quite helpful for figuring out what you need to add into the water to get the ph-value needed...
Dominik (Verified owner) - –