British Minerals Pro PK 1L All | Saleable | Nutrient Additives | Plagron | Calmag Pro A hinged air tight lid

A hinged air tight lid makes changing bulbs easy without having to undo any ducting

also known as vermicast

After adding the nutrients and mixing the solution

100 percent compostable

Large starter cubes for growing from seeds and cuttings that fit into the large hole cubes

British Minerals Pro PK 1L All | Saleable | Nutrient Additives | Plagron | Calmag Pro A hinged air tight lidPOWERFUL NUTRITION TO STIMULATE FLOWERING. British Minerals Pro PK13 14 provides massive fruiting & flowering for your crops. Easy to use & suitable for any growing medium, BM Pro PK13 14 will give your plants the biggest yields. The perfect blend of Phosphorus & Potassium, Pro PK is added during the flowering phase to maximise growth, provided in high concentration. Phosphorus (P) provides a higher metabolism rate and energy transfer. During the