Rockwool Formula One™ is a professional grade, two part solution developed from pure, high quality salts. It contains no chloride or sodium to pollute the nutrient solution. RWF One is a nutrient blend which is custom tailored for hydroponic gardening in Rockwool, under HID lighting systems or in low level natural light. It’s perfect for the state-of-the-art indoor gardener. Rockwool Formula One yields impressive returns for a host of vegetables, flowers and herbs.

Rockwool Formula One 1qt. (2 part set)Rockwool Formula One One of the most popular and consistent two-part nutrient mixes for hydroponic gardening. This two-part nutrient mix is a proven winner. Formula One is an excellent fertilizer for many plant species, in either vegetative or flowering stages. Originally developed as a rockwool nutrient, Formula One delivers high-octane results using just about every growing medium available. The compounds used in Formula One react with one another when mixed. In order to preserve their potency we keep them separated in two parts until needed. Parts A and B (8-6-11) are mixed together in equal amounts, and a 2-gallon set makes over 500 gallons of stable, consistent nutrient. Availability: Usually ships in 2-3 business days. Rockwool Formula One 1qt. (2 part set) RFO405 RFO

Availability: Usually ships in 2-3 business days. Rockwool Formula One 1Gal. (2 part set) RFO410 RFO