09-07-2010, 12:36 AM
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Originally Posted by Christople
Hi, I was wondering how often I should do water changes for my 38 gallon fish tank. I currently have 5 black neon tetras, 4 neon tetras, 1 ram and 1 3 inch common pleco. My filter is a Rena Filter XP2. Thanks for any help!
Would depend in large part on how long the tank has been running with fish.
If the tank with fish is less than a month old, I would suggest changing 50 percent once each day or every other day until the tank has cycled.
I Would recommend reading up on "cycling a new aquarium".
I would invest in a test kit such as the API freshwater Master kit so that I could test my water for toxins such as ammonia and nitrites which should read as close to zero as possible until the tank has cycled at which time they should test zero.
Would use conditioner such as PRIME or AMQUEL+ for new water added to the aquarium. Both will detoxify ammonia and nitrites created by the fish/fish food.
If your tank has cycled,,then you should be performing 30 to 50 percent water changes once each week to dilute/remove excess organics from fish waste(poop) and fish food.