The CoralBox Doser Tubing Holder is a fantastic way to keep your sump organized. It allows you to hold up to 4 dosing tubes in place, keeping your sump organized and your dosing tubes out of the water.
The Tubing holder works on tank rims up to .75″ thick. You can use these on a euro-braced rim by simply rotating them 90 degrees and securing them to the inner rim of the euro-brace.
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