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corrosion resistance
Alfred’s Seedling Heat Mat will help to give your seeds and clones a strong and healthy start
The General Hydroponics FloraGro liquid: Stimulates structural and vegetative growth
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Gro-Smart™ Tray Insert Hydrostar corrosion resistanceYour 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. 5in A OK Starter plugs or round Macroplugs. Use the mesh side for sheets of A OKs, 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 product; even dish washer safe!
