The Dutch leach tray can be used for all loose media, but it is primarily used for the Grodan six inch slabs and Hugo blocks.
Advantages:
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The tray is a perfect fit for the HUGO blocks and helps prevent the HUGO from falling when the plant is bigger.
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The tray has two deep channels, so that excess water easily runs away.
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You can get the trays with two elbows for easy draining of excess water or you can ask for end caps and they will plug the holes in the tray.
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The tray will work without the elbows.
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The tray is made of sturdy & flexible black plastic.
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Volume: 4 gal (15 L)
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Dimensions: W6” x L40” x H4” (15cmx100cmx10cm)