Bio Leaf HortiChar (All Grades) Select Size:1L 18 super bright SMD 5730

18 super bright SMD 5730 LEDs per head

HortiChar Fine: add up to 5% of your total soil volume

0012 Boron 0

If you are looking for more control over the temperature of your heat mat

Bio Leaf HortiChar (All Grades) Select Size:1L 18 super bright SMD 5730HortiChar stands for Horticultural Charcoal, which is a super beneficial additive for your current house plant soil mix. It is made from natural hardwood tree branches that have been heated in a low oxygen environment to create what is called biochar. What are the benefits of HortiChar? It's very porous fine grained, which helps to serve as a home for micro organisms which are beneficial for the overall health of your plants. HortiChar is naturally