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Hydroponics Empty Hole Plug (Small) — image 1
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Hydroponics Empty Hole Plug (Small)

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This is a plug designed to go in the upper holes of NFT and similar hydroponics runs. It is not entirely waterproof,…

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Model information

License
GNU General Public License v2.0

This is a plug designed to go in the upper holes of NFT and similar hydroponics runs. It is not entirely waterproof, but will help stop rain entering your system and diluting the nutrient. More importantly, it cuts out the sunlight and prevents algal scum growing in the run immediately beneath an empty hole.

Oh, and it keeps frogs out.

Instructions

It's parametric, so you can change the diameter for your runs easily enough. This model works fine on 43mm up diameter holes.

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