The Cannabis Grow Bible (3rd edition) Ballast When the level is reached

When the level is reached the AQUAvalve will shut off and prevent any further water from entering the tray until all the water has been consumed by the plants

pH buffered for ideal plant growth: 5

And thanks to its ingredients

It’s these chelates which give pH Perfect GMB an almost “unfair” advantage over every other 3-Part formula on the market because it drives the nutrients into your plants in the most efficient

chromium is often used for decorative purposes

The Cannabis Grow Bible (3rd edition) Ballast When the level is reachedThe Cannabis Grow Bible: The Definitive Guide to Growing Marijuana for Recreational and Medicinal Use, Green, Greg