Rockwool Formula One B 1-5-5

Sunleaves Rockwool Formula One is specially formulated to counteract the alkaline nature of rockwool, yet it works well with most growing media. Rockwool Formula One is naturally pH buffered and well-suited to both vegetative and flowering stages. To ensure potency and longevity of product, Rockwool Formula One is packaged as a two-part nutrient mix, Part A (5-0-4) and part B (1-5-5). Comes with easy-to-read mixing instructions. Part A sold separately.