CaMg - 5 Gallon microbes Similar to Big Rootz -

Similar to Big Rootz - same amendments

Bloom 500 ml

Roots Organics give you control to supplement as needed without affecting primary fertility input ratios

FoxFarm also adds humic acid

CaMg - 5 Gallon microbes Similar to Big Rootz -Athena CaMg is designed to supplement either of our 2 part liquid formulas. Some cultivars and growing conditions may require higher doses of Calcium, Magnesium, Iron and Nitrogen during heavy growth and development phases. This product effectively corrects these common deficiencies without throwing off overall elemental balance. In systems using reverse osmosis (RO) water and plants grown in inert media, such as coco and rockwool, Athena CaMg is