CANNA Coco A&B is the industry-standard two-part base nutrient designed specifically for coco growers, and works best twinned with Canna Coco Natural or Canna Coco Professional Plus. It's an easy-to-use formula that covers both the vegetative and bloom stages, so you only need one feed throughout your entire grow. Whether you're hand-watering or running a drain-to-waste system, Coco A&B delivers consistently strong 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 4ml/L of Coco A and 4ml/L of Coco B (40ml each per 10 litres) When To Use Full lifecycle — one formula covers both veg and bloom Substrate Fit Coco coir substrates — hand-watered or drain-to-waste Grower Notes Target pH 5.5–6.2. Mix A and B separately into water — never combine the concentrates directly. Why Choose CANNA Coco A&B? All-in-one feed: One formula for both veg and bloom — no need to swap bottles between stages. Works in buffered coco: Perfect for use with CANNA Coco Professional Plus or other pre-buffered coir substrates. Agnostic water profile: Formulated to perform consistently regardless of local water hardness. Balanced nutrition: Provides the ideal mix of nitrogen, calcium, magnesium, potassium and trace elements tailored to coco coir's cation exchange profile. Works With CANNA Rhizotonic — root stimulator for faster establishment. CANNAZYM — enzyme blend to keep coco clean and recycle dead roots. CANNA PK 13/14 — bloom booster to stack on extra weight mid-flower. Suitability CANNA Coco A&B is made for coco coir substrates in both hand-watered pots and automated drain-to-waste irrigation. Check out Canna Coco Natural or Canna Coco Professional Plus. It's not designed for recirculating hydro systems — for those, look at CANNA Aqua or Hydro. In coco, A&B provides everything the plant needs without extra supplements. Quick Tips Always measure A and B separately — never pour concentrates into the same measuring jug. Flush through with plain water occasionally if salts build up. Store bottles in a cool, dark place — nutrients are light and temperature sensitive. FAQs Is CANNA Coco A&B for veg or bloom?Both — it's a single base feed that works across the full lifecycle. Can I use it in run-to-waste systems?Yes. Coco A&B is ideal for drain-to-waste setups in buffered coco. What additives should I use with it?Rhizotonic, Cannazym, and PK 13/14 are the classic trio for pushing plants to their full potential.