Creates healthy, even root zones for thriving plants. Why Choose Hydro-Xtend Stone Wool Blocks?. Application: Aeroponic,Aquaponic,Deep Water Culture,Drip System,Ebb-Flow System,NFT System,Hydroponic MPN: Not Set Features: pH Balanced,Efficient Water Use,UV Protection,Uniform Water Distribution,Ensures Even Root Zones,Scientifically Engineered Type: Rockwool/Stonewool.
eBay