A-OK Starter Plugs 
  A-Ok Starter Plugs are for starting seeds and rooting cuttings prior to plugging into larger Gro-Blocks 
  Grodan A-OK plugs are designed for seed and cutting propagation prior to “blocking on” into larger growing blocks. The V-shape design of the plug discourages tangling of roots between the plugs in the A-OK plug sheet. A’OK plugs come in a sheet that fits a standard 10×20 flat. 
 
  -  Ideal for starting larger seeds such as peppers, tomatoes and cuttings before transferring to Net Pots for Hydroponic Systems. 
-  Sheets are available with 98 starter plugs that are 1.5"x1.5" or 200 plugs that are 1"x1". 
-  Designed for seed and cutting propagation prior to "blocking on" into larger growing blocks. 
 What is Stonewool? 
  Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into(more...)