Grodan Grow Cubes - 2 cu.ft. (Case Of 3 Bags) HGC728767 the Bluelab pens are waterproof

the Bluelab pens are waterproof and float in any solution

for an increase in the growth and yield of flowers

Using the Gavita Master EL3 Controller (sold separately)

on the surface in any weather

it can cause excessive stress on the parts

Grodan Grow Cubes - 2 cu.ft. (Case Of 3 Bags) HGC728767 the Bluelab pens are waterproofGrodan Grow Chunks, Super light and super versatile. 2 cubic foot bag. Grow Chunks are a larger version (3 4" square) of the popular Grow Cubes. They are great for direct planting or for use as a filling around blocks in containers. They can be easily mixed with other media for increased aeration and added moisture holding capabilities. Case of 3 Bags