Grodan Gro-Smart Tray Organic Nutrients P and K in the

P and K in the bottle encourage crop potency and productivity for vigorous growth and fruiting

Hydroton® brand expanded clay is semi-porous and generally does not float like other products can

Storing your pH and/or ORP electrodes in a storage solution will also keep the junction clear

the glass sensor tip and the reference junction of the pH electrode should be kept moist and not be allowed to dry out when not in use

helping foliar applications spread

Grodan Gro-Smart Tray Organic Nutrients P and K in theGRODAN Gro Smart Tray Insert Your Grodan Starter plugs, Mini Blocks and Gro Blocks have finally found a home. This durable Dutch tray has double sided features. Use the 78 cell side to perfectly fit 1. 5 in A OK Starter Plugs or round Macroplugs. Use the mesh side for sheets of A OK's, Mini Blocks, or Gro Blocks. The tray fits in a standard 10 x 20 flat and keeps the Grodan elevated from the bottom of the flat. Easily sanitize as any hard plastic