Thrive Yah-Whey Concentrate: Holy Cow Size:1/2 Gallon 14/40 grit which is like

14/40 grit which is like a large sand

you'll need a Matrix unit of the same size

This flexibility allows you to tailor your plant care and optimize outcomes by meeting your plants' specific needs

Mendocino Crystalizer 5-10-40

Thrive Yah-Whey Concentrate: Holy Cow Size:1/2 Gallon 14/40 grit which is likeThrive Holy Cow 4x Concentrated Yah Whey High Potency Calcium and Phosphorous Fermentation Plant Booster 4 Times as concentrated as Yah Whey Why is it called Holy Cow? Well, it's derived from "Yah Whey" which is Holy and Cow Cal from BuildASoil, so naturally, it's Holy Cow!! That and those are the words you're going to tell yourself after the first application! Which one should I get? Holy Cow is a Concentrated Version of Yah Whey. Yah Whey: 1 2