Grodan Grow Chunks (2 cu.ft.) grower's choice 720 Water resistant

Water resistant

A high phosphorous mix of bat and seabird guano plus earthworm castings

and short reentry times

May be used with any nutrient line

Continue to use the same dosage rate to feed your new starts throughout the rooting phase

Grodan Grow Chunks (2 cu.ft.) grower's choice 720 Water resistantGrodan Grow Chunks, 2cf bag, 3 BAGS PER CASE Super light and super versatile. 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.