Rubbermaid stock tank drain...what size?

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glassbird

Aquarium Advice Freak
Joined
Jan 23, 2009
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I have a 100 gallon Rubbermaid stock tank that came with a "factory installed" drain hole at the bottom, on the side. I want to be able to remove the screw-in plug, and add a garden hose with an on/off switch. This stock tank houses my pond fish during the winter, and water changes will be so much easier if I could just attach a hose, put the other end outside, and flip a lever!

At the moment, I cannot remove the plug and measure it...the tank is filled with water and fish. Just by looking at it, it does not seem to be the same size as a garden hose. Does anyone know what size the drain hole is on a Rubbermaid stock tank? (I am hoping to be able to find an adapter.)
 
Yes! Thank you! I had looked at a different website that did not have the info I needed. Looks like I gave up too quickly!

Now, if I can find an adapter, I will be set!:p

Yay!
 
I just use a length of flexible vinyl hose to attach my garden hose to my faucet which has no thread & is different size. Maybe you can use the same idea - Garden hose (male end) to a short piece of 7/8" vinyl hose (heat in boiling water to soften, fit over hose & it will shrink to a tight fit, good as a barbed fitting.). Other end of vinyl hose to a barbed fitting (1" barbed on one end, slip on the other). Get a reducer to go from the 1.5" drain to 1" <1.5x1 slip/slip> and you should be able to hook everything together.

It is a matter of going to a hardware store plumbing aisle & finding things that will fit.
 
I ended up "going to a hardware store plumbing aisle and finding things that fit"! I found a "bushing" that went from 1 and 1/2 inches down to 3/4 inches, and then bought a "nipple" that screwed into the 3/4 inch end of the bushing, giving me a threaded male end that a garden hose will screw onto perfectly. Actually, I will be putting a hose adapter sort of thing on first, with an on/off switch (sorry, I am sure this piece has a name, but I do not know it). Then the end will get a screw-on cap for now...sort of a double safety mechanism. It would be really bad if the on/off lever ever got knocked into the "on" position... a flood in my basement, and many dead fish!

When it comes time for a water change, I will remove the cap, screw on a hose, flip the switch...ta da! (And put the draining end of the hose outside...small detail...)
 
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