A concentrated ratio of Phosphorus and Potassium is as essential to yielding density and quality as any element needed for plant growth. Allowing your plant access to high levels of P and K during the crucial mid-flowering point can make or break your harvest results. .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 2.5ml per 10 litres (0.25ml/L) When To Use Weeks 5, 6 and 7 of flowering Substrate Fit Soil, coco & hydro — all systems Grower Notes Highest-concentration PK in the Monkey range — no need to use more than the stated rate. Monkey Magic’s PK 14/15 ratio is the highest concentration you will want or need to allow your plant to reach its harvest potential. DIRECTIONS OF USE:Use it at 2.5ml per 10 litre in weeks 5, 6 and 7 for unbelievable results!