Plant Magic - Magne-Cal+ Size:5 Litre and gives you control over

and gives you control over intensity

switching whichever device you've plugged in on or off to hold your target range

Timer-controlled gravity feeding sits between manual hand-watering and a full pump-driven automated system in terms of complexity and cost

It's designed for hydro

Plant Magic - Magne-Cal+ Size:5 Litre and gives you control overPlant Magic Magne Cal+ Complete Feeding, No Guesswork As well as N, P and K (Nitrogen, Phosphorous and Potassium) plants also need an adequate supply of the secondary nutrients: Magnesium and Calcium. Plant Magic Magne Cal+ is perfect for crops suffering from a deficiency or for use along with your PK booster for enhancing Potassium uptake.