Toilet Water Changes?

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badisbadis101

Candiru
MFK Member
Feb 16, 2008
415
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Houston
I know this thread sound funny,:ROFL: but let me explain:

Say you were able to rig your toilet to use water out of your tank every time it flushes, and then to refill your tank? So that the tank on the back of the toilet refilled with tank water instead of tap water, and the tank refilled with tap water. Would this be worth the trouble of rigging, because in theory, you could literally stop water changes, because every time someone used the restroom, the tank would get a small water change. Is this worth trying, or is it too much trouble? :D
 
Sounds good. Sounds like a lot of work too.
 
Hooked up to one large tank, (depending on bathroom use) This could be a great idea. I think you would need at least one pump on a preset timer. figure out how much goes in with each flush, and set the return to the toilet to match. Some toilets use "gray water" though as apposed to regular drinking water found in your kitchen.
 
interesting idea. would be a plumbing nightmare for me since my tanks are no where near the bathroom.

need to rig in an ro/di unit to fill the tank, or some way to dose chorine remover if you use tap water.

I am just wondering if the bathroom will start to smell like a fish tank.

but water changes with a flush of the toilet would be great.
 
This would have to be a fairly large tank considering that it takes 2.5 gallons to flush a toilet. Continuous exposure to even 2.5 gallons of tap water in a 55 gallon tank could drastically decrease the health of your fish. I also do not see this being a very sightly set up, as the easiest way to set this up would be a 2 float switches and a few ball valves. Perhaps if you had a large tank-125 gallons and up- sitting very close to the tank and could hide the plumbing in a wall it could work. Overall, not very practical.
 
This is a fantastic idea! Remember the old toilets that had the sisterns 1.5 meters above the toilet, with the long pull chain? You could put a tank in the attic, with a ball valve to set the level, a small airpump to get rid of the chlorine. Run a pipe down to your tank then an overflow to the toilet! Could be easy could be hard depending on where everything is! Three story house with tank on the first floor and toilet on the groundfloor EASY! Thats one long chain ROLF
 
that would be awsome, just think you have some friends over and they are looking at your tank, all the sudden the waterlevel drops and they dont know why, you could start acting all worried just to freak them out
 
It would actually be very easy if you have an acrylic tank. You would need a bulkhead below water level. Adapt it to a 3/8" compression fitting. I would put a valve in here. Run 3/8" PEX tubing (the kind used to hook up dishwashers) from the tank to the toilet. Hook it to the toilet. Gravity flush toilets require minimal pressure. As long as the tank water level is higher than the top of the toilet tank, it will fill (although slowly). Of course, you would need a float valve on your tank.

You would have to clean the toilet a lot to keep it from getting funky. Also, if you have chlorinated water you would want to have a big aerated tank to fill the aquarium from. Too many people using the bathroom and you are going to be heating a lot.

Try it and let us know!
 
good points here, but that would be so convenient and good for the fish if you got it to work and be safe with the temp and chlorine
 
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