Grotek Cal Max 2-0-0 (1L) Pest Control The high concentration of phosphorous

The high concentration of phosphorous encourages blooming and plays a vital role in plant metabolism

It can be completely disassembled

One packet = 1 refill

solid brass coupling with stainless filter washer

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes

Grotek Cal Max 2-0-0 (1L) Pest Control The high concentration of phosphorousGrotek Cal Max can be used on all plants, providing calcium, magnesium and iron for your garden. This helps solve one of the most common nutrient deficiency problems facing fruit and vegetable growers as many soils or potting mixes simply do not have enough of those nutrients to keep the hungry plants growing. Just as people take vitamin or mineral supplements, plants sometimes need supplementing too. Using Cal Max as part of your regular feeding