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Drill the right size hole on the reservoir and push rubber grommet in; then, insert the pipe or connectors.
Be sure grommet's groove is fully inserted into the drilled hole.
If you have trouble with connection, please use soap or oil on the Barbed Elbow, Barbed Tee, Barbed Straight, Barbed Y Connector or PVC pipe to slide through drilled hole on the bucket or tank easier.
Michelle Nelson
August 18, 2025
Awesome
tractor
August 13, 2025
Using in green house setting for hydrophobics water continuous circulation
wheelholder
August 3, 2025
The grommets worked as advertised. I used them in my hydroponic setup to put the drain in the 3" pvc pipe I used for my net cups. After drilling the proper sized hole . I inserted them with a twisting motion and was able to install my small drain line for the return of the fluid to the fluid tank.Would buy again when needed.
sarah signs
July 7, 2025
I took another reviews suggestion and got a 3/4 inch bit. I used a hole saw. Another reviewer mentioned a 13/16 bit would work too but I just went with the 3/4 and it worked just fine. This is a small tote for the record.
Jessica Rodriguez cardenas
June 4, 2025
MUY BUEN PRODUCTO
Rich
May 22, 2025
This is a great product. It made setting up a flow thru hydro system so easy to construct. Just drill a whole in a pail, insert the grommet, the barbed connector and attach the hose. Simple and very cost effective.
Robert the 2nd
April 6, 2025
These are perfect for hydroponics fit half inch elbows and straights. Soft pliable don’t leak. Drill size is 3/4 of an inch to 13/16 of an inch
Wolff-fam
February 25, 2025
Great product. Fits nice and snug. No leaks. Will buy again when I run out
Bruce MacDonald
February 1, 2025
as described
Michel
January 16, 2025
Said fits 1/2" pipe for hydro systems (Dutch buckets) but didn't.Ended up using copper pipe instead.... tight fit but got it done.
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