Pay in 4 interest-free payments of $36.71 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
It’s never been easier – and safer – to measure on the go
which will cause a pH drop to around 4 right after mixing
For Bulk Pricing Contact Us
Sterilize in Athena Autoclave
The Harvest Keeper Vacuum Sealer allows you to control the seal time of your bags between a 5–8 sec range
Grodan Gro-Block Improved GR22 Jumbo (6x6x4) w/ Hole Quantity:Case of 64 It’s never been easier –Grodan Improved GR22 Jumbo 6"x6"x4" Gro Blocks optimized wool structure allows for faster rooting in and nutrient solution replenishment. New and improved wetting agent and hydrophilic technology greatly enhances the water characteristics giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients. All while the Gro Block Improved maintains