Thrive Yah-Whey Concentrate: Holy Cow Size:Gallon Features baseline brightness levels and

Features baseline brightness levels and backup memory in case of a temporary power loss

A "Not Sure" setting is also available if your ballast type is unknown

and how do I choose the right one

mix ¼ - ½ tsp

Thrive Yah-Whey Concentrate: Holy Cow Size:Gallon Features baseline brightness levels andThrive 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