General Hydroponics pH Control Kit contains everything you need to measure pH levels of your hydroponic grow reservoirs RELIABLE RESULTS: The streamlined testing system delivers fast, accurate, and ...

Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap Helps monitor ...

When I started gardening, I assumed you could put seeds in dirt, add water and watch them grow into plants. That uneducated approach produced haphazard results and few vegetables. Somehow, I missed ...