07-19-2012, 07:20 AM
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I use an Aqueon Water change for my 125 gallon.
However, I'm thinking of buying an electric pump to do the draining.
The problem with water changes that hook up to the sink is they only work great if your sink is lower than your tank (water always flows down, gravity and all). If your sink is higher, which it is in most cases unless your tank is up stairs, you must keep your faucet on the entire time you are draining the tank. When water is running, it creates a siphon on the water changer drawing water up.
For my 125 gallon aquarium, it takes a lot time to do even a 1/3 change (15-20 minutes), so I would be wasting several gallons of water every week. A solution I found was running the hose out the door and using the garden hose to just get the siphon started, then letting it gravity drain into the lawn. That works fine now, but won't in Winter.