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Soluble Potash (K₂O): 24
81”) allowing the user to easily read both the pH and temperature simultaneously
Use these predatory mites with other spider mite predators to combat & control high spider mite populations
Perfect for the small hobbyist or someone looking to see how amazing our nitro nutrients are
Grodan GRO-SMART Tray Insert water-pumps-&-irrigation-supplies Soluble Potash (K₂O): 24Your 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` 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 10x20 flat and keeps the Grodan elevated from the bottom of the flat. Easily sanitize as any hard plastic product; even dishwasher safe. This
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