Grow Medium Refill Kit
Growstone Kit - Back to the Roots

Grow Medium Refill Kit

$ 9.99


Your purchase includes 1 bag of Clay Grow Medium (enough to fill 3 Grow Pods) and a bottle of Zymbac for optimal plant growth.


  • Made of 100% natural clay - a standard in commercial hydroponic and aquaponic growing
  • pH stable - essential for proper aquaponic systems
  • provides surface area for beneficial bacteria (aka nitrifying bacteria) to live and help maintain tank cycling