Pro Bloom increases flowering and growth by up to 20%! Pro Bloom works in several different ways, boosting Calcium absorption, increasing leaf size, activating microbial life and stimulating your plant's immune system to boost harvest quantities and quality. .hb-qff .hb-qff-row { display: grid; grid-template-columns: 140px 1fr; gap: 14px; align-items: baseline; margin: 0 0 10px; } .hb-qff .hb-qff-row:last-child { margin-bottom: 0; } .hb-qff dt, .hb-qff dd { margin: 0; } @media (max-width: 480px) { .hb-qff .hb-qff-row { grid-template-columns: 1fr; gap: 3px; } } Quick Feed Facts THE HYDRO BROS Dilution / Dose 2 ml per 10 litres of water as a feed solution, or 0.1 ml per litre (2 drops per litre) as a foliar spray. When To Use During flowering/fruiting only — do not use in the vegetative stage. Substrate Fit Works in soil, coco, and hydroponic systems. Grower Notes Boosts calcium absorption, increases leaf size, activates microbial life, and primes the plant's immune system for bigger, higher-quality harvests. Never spray open flowers. Pairs naturally with Pro Roots — build the root system early, then switch to Pro Bloom once flowering starts. Use during flowering / fruiting only. Add to water or nutrient solution, or if needed, dilute to use as a foliar spray, but do not spray open flowers. Solution: 2 ml/10L Foliar spray: 0.1 ml/L (2 drops per litre)
