These are great to start your grow
Rockwool holds the optimum amount of water and oxygen
Rockwool has long been the biggest growing medium around the world
AeroGrow Rockwool is Formeldehyde free, this is a first in the industry
Each plug is 40mm x 40mm x 40mm - 200 plugs in total
vertical fibre structure
25 grow plugs per tray
8 Trays in the PackWhat's in the box
200 starter plugs - 8 sheets of 25 plugs
Only Rockwool plugs are supplied
Please note that plastic trays are not included