Calmag - Calcium Magnesium - Hydroponic / Soil Growing additive Size:100 grams legendary General Hydroponics and NASA

legendary General Hydroponics and NASA chemist Cal Hermann created this powerful 2-part formula

and a desire to make growing your own food accessible

This is then sprayed back on to the female flowers

It is often a highlighted source of food

and was introduced into China in the 14th century

Calmag - Calcium Magnesium - Hydroponic / Soil Growing additive Size:100 grams legendary General Hydroponics and NASACalmag has been designed for growers who need an extra boost of Calcium and Magnesium to their grow. Calcium and Magnesium are essential nutrients for proper plant growth and blooming, as they play a key role in cell production and photosynthesis. Available in 100 gram and 1kg packs