Grodan Grow Chunks (2 cu.ft.) grower's choice 720 The jacket of this double-ended

The jacket of this double-ended lamp is made from quartz glass

If you have a ventilation system

May be used with any nutrient line

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

Water resistant

Grodan Grow Chunks (2 cu.ft.) grower's choice 720 The jacket of this double-endedGrodan 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.