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Free from PGRs Phosphorus & potassium flowering supplement
PK 9/18
Dose
2.5 ml (wk 4), 2.5 ml (wk 5), 5 ml (wk 6) per 10 L
≈ 0.25 ml per litre
Pick one: PK 9/18 OR Resin, never both.
What it does
Phosphorus and potassium flowering supplement. Supports the onset of flowering and gives a mid-flower boost when PK demand peaks, helping flower size, weight, density and flavour.
When to use
Flower weeks 4-6 (PK programme only)
G1
G2
G3
G4
F1
F2
F3
F4
F5
F6
F7
F8
FL
How to use
Use with the PK programme. Do not use together with Resin: choose PK 9/18 OR Resin.
Always add Stress first and mix thoroughly before adding the rest of the nutrients.
Compatible media
HydroCocoSoil
Sizes
250 ml1 L5 L