Grodan Granulate 20kg bag organic-pest-control Pro Cal solves this issue

Pro Cal solves this issue with a readily available calcium source married with extra magnesium

This professional-grade product is made from dried coconut husks and is ideal for use with potted plants

and utilization – making sure your plants are getting the most out of every bit of sunlight

3" x 15") at widest setting

Grodan Granulate 20kg bag organic-pest-control Pro Cal solves this issueThanks to their revolutionary hydrophilic fibres, Grodan substrate slabs and blocks produced using this technology offer users considerable advantages over other propagation substrates. Tried and proven to be the best propagation substrate available.