£11.00
Shake well before use. Add 2 ml of PK 13-14 per 1 litre of water (1:500). After this, add the basic nutrient until the desired EC value is reached. Use this nutrient solution each time the plants are irrigated in the flowering phase.
EC FERTILISER, PK-fertiliser solution (0-13-14), 13% Water-soluble phosphorus pentoxide (P2O5), 14% water-soluble potassium oxide (K2O).
Pk 13-14 is available in 250ml, 500ml & 1L bottle and 5L can.