Coco Nutrients UK | Two-Part A+B for Coco Coir

Feeding Monkey Nutrients in coco

Dosing notes

Coco coir is inert and drains fast, so it brings almost nothing to the plant on its own: every nutrient comes from your feed, starting with the very first watering. Its high cation exchange capacity also holds on to calcium and magnesium, which is why the coco routine leans on Mag Cal from the moment you prepare the medium.

Coco dosing notes
Step	In coco
Buffering new coco	Before first use, soak fresh coco in Mag Cal at 5 ml per litre.
Mag Cal in the feed	1–2 ml per litre in every coco feed. Leave it out in the flush week.
Base feeds and boosters	Add Grow A and B (later Bloom A and B) separately, in equal amounts; the chart dose is per part. Run either PK 9/18 or Resin, never both: see the feed chart.
Ultra Zyme	1–2 ml per litre (10–20 ml / 10 L) from the first coco feed onwards, across the whole life cycle.
Mixing order	Stress goes into the water first and is mixed thoroughly; the remaining nutrients follow one by one.

Common problems in coco

General growing guidance, not a diagnosis: several coco problems look alike, so note your water source and any recent changes first.

Symptom: Young growth looks weak, or older leaves start to pale.
Likely cause: Calcium or magnesium falling short, typically in unbuffered coco or with soft or RO water, because coco binds both.
What to check: Whether the coco was buffered, whether Mag Cal is in every feed and which water you are using.
Symptom: Plants droop although the coco is still wet; roots look brown and soft.
Likely cause: Overwatering: a coco pot that never dries back leaves the roots short of air.
What to check: Drainage holes, pot weight between waterings and how often you water.
Symptom: Brown leaf tips and scorched edges.
Likely cause: Too much feed, or supplements stacked on top of the chart.
What to check: Your EC against the chart week, your feeding notes and the runoff trend.
Symptom: Shortage signs even though you feed to the chart.
Likely cause: Lockout: a root-zone pH outside the chart range of 5.5–6.5 makes nutrients unavailable.
What to check: The pH of the mixed feed before it goes into the pot.

Coco FAQ

Do I need to buffer coco?: Yes. Fresh coco binds calcium and magnesium, so soak it in Mag Cal at 5 ml per litre before first use.
Do I still need Mag Cal once the coco is buffered?: Yes. The chart calls for Mag Cal in coco at 1–2 ml per litre in the feed; only the flush week goes without it.
Is the EC for coco different from soil or hydro?: No. The Monkey EC targets are the same in every medium, and the week-by-week values sit in the feed chart.

The Monkey starter kit

Always add Stress first and mix thoroughly before adding the rest of the nutrients.

Shoots

Grow A+B

Two-part base nutrient. Strong starts. Serious growth.

Use with: Bloom A+B · Root Shoot

1 L5 L10 L25 L

Grow A: Total nitrogen (N) 0.6% · Calcium oxide (CaO) 2.5% — soluble in water · Magnesium oxide (MgO) 0.6% — soluble in water; Grow B: Total nitrogen (N) 0.93 · Phosphorus pentoxide (P2O5) 4.4 (1.9% P) — soluble in water · Potassium oxide (K2O) 6.1 (5.1% K) — soluble in water · Iron (Fe), EDTA-chelated 0.04% · Manganese (Mn), EDTA-chelated 0.01% · Zinc (Zn), EDTA-chelated 0.006% · Boron (B), EDTA-chelated 0.005%View product

Fruits

Bloom A+B

Two-part base nutrient built for the flowering finish.

Use with: Grow A+B · Root Shoot

1 L5 L10 L25 L

Bloom A: Total nitrogen (N) 2.7% · Potassium (K2O) 1.5% — soluble in water · Calcium oxide (CaO) 2.5% — soluble in water · Magnesium oxide (MgO) 0.7% — soluble in water; Bloom B: Total nitrogen (N) 0.93 · Phosphorus pentoxide (P2O5) 4.4 (1.9% P) — soluble in water · Potassium oxide (K2O) 6.1 (5.1% K) — soluble in water · Iron (Fe), EDTA-chelated 0.04% · Manganese (Mn), EDTA-chelated 0.01% · Zinc (Zn), EDTA-chelated 0.006% · Boron (B), EDTA-chelated 0.005%View product

Roots

Root Shoot

Root booster. Great grows start underground.

Use with: Grow A+B · Bloom A+B

20 L

Root Shoot: Total nitrogen (N) 3% — soluble in water · Phosphorus pentoxide (P2O5) 8% — soluble in water · Potassium oxide (K2O) 10% — soluble in water · Arctic sea kelp (natural seaweed extracts) 1% — soluble in water · Humic and fulvic acid 1% — soluble in water · Multivitamins including B1 and B5 1% — soluble in waterView product