Hydroponics involve watching your nutrient reservoir closely. “If the pH is too high or too low, plants can’t absorb nutrients and they’ll start wilting,” says Bara. “A pH meter lets you ...

Use this digital water pH meter (from Amazon) to test the pH of water in your hydroponic garden. As Julie notes, you can then use pH up and pH down products - available at Amazon - to amend the pH ...

The startup won the Hyundai Startup Competition in 2015 and was recently commissioned to create its first hydroponic farm on 400 square meters in the northern Koura area. Crops on the farm grow ...