Mills Nutrients - CalMag Size:5 Litre Invaders Tablets are a simple

Invaders Tablets are a simple and easy-to-use way to supplement CO2 levels in the root-zone

Although Formulex is usually used for plants in their early stages

so there's no risk of causing burning when potting up younger plants

Plant Magic Plus Oldtimer PK 4-8 works by providing concentrated levels of phosphorous and potassium at a ratio of 4:8

if necessary

Mills Nutrients - CalMag Size:5 Litre Invaders Tablets are a simpleRaises Levels of Calcium and Magnesium Ideal for Soft Water Areas Mills Nutrients CalMag contains large quantities of calcium and magnesium. It's ideal for growers in soft water areas with a starting EC of below 0. 3, and for growers using reverse osmosis filters to remove impurities. Adding extra phosphorus and potassium in peak flower can sometimes cause calcium and magnesium to get locked out (whatever your water type), and a bottle of CalMag can