Bloom Yellow Bottles

Nutrient Calculator

Nutrient Calculator

Your full grow, week by week — pick your program and reservoir size and every dose is worked out for you.







Groigen foliar spray — 20 ml per 1 L of spray solution (1 L covers approx. 5–6 plants), through veg.
Florigen foliar spray — 20 ml per 1 L of spray solution (1 L covers approx. 5–6 plants), through flower.

* Ultra for week one of the flower cycle is most effective applied on its own on the last night of veg, preceded by 36 hours of darkness before switching the lights to a flowering schedule (12/12).

Ideal pH range 5.5 – 6.5. Amounts shown are per week, not per feeding. A + B base nutrients are added at the same rate each. Rates from the official Bloom feed schedules (ml/Litre); cycle lengths beyond the printed programs follow the same Bloom product timing pattern.