partial water changes - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 6 Old 07-22-2008, 10:27 AM Thread Starter
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partial water changes

I use aquasafe water conditioner and it says use 5ml (one teaspoon) of the liquid for every 10 gallons, and I was wondering if I were to do a partial water change how much should I put it? and how long should I wait before putting the new water back in the tank

the tank is ten gallons and I would do 10% and 25% water changes, thank you
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post #2 of 6 Old 07-22-2008, 10:54 AM
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you would put in dechlorinator for how ever many gallons of water you're adding to the tank.
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post #3 of 6 Old 07-22-2008, 11:04 AM Thread Starter
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is it possible that I can put in to much and kill my fish?

should I just guestimate and put in a drop or two if I take 10% (1 gallon) out?
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post #4 of 6 Old 07-22-2008, 12:11 PM
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How big is your bucket? I've got a 2.5 gallon bucket from target for 2 bucks. I'd just do a 25% change and put a 1/4 tsp of dechlorinator in. If you wanna just do a 1 gallon change then 1/8 of a tsp will do it. It'll be a bit more than you need but I'm not aware of any significant health problems putting too much dechlorinator in will cause. So long as you aren't dumping in way way too much it shouldn't be a big problem.

Personally I'd just go with the 25% route and use a 1/4 tsp.

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post #5 of 6 Old 07-22-2008, 12:44 PM
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I think thats the same stuff I used a while back, does it add like a stress coat or something too?

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post #6 of 6 Old 07-22-2008, 05:29 PM
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Most of that stuff is hard to overdose. Not that you should run around dumping it into your tank, but don't worry about being too precise.

However, if you want to be precise, add 1/4 tablespoon for every 25% water change (25% = 1/4, get it?). For a 10% change you would want to add 1/2 ml which is kinda annoying to measure out. Just do your best, or use a heaping 1/8 tsp if you have it.

As for waiting, you should be fine to add the water to the tank right after you use the conditioner- the chemicals will have worked. However, some people's water chemistry changes drastically when it ages/aerates, which can be stressful to your fish if you're doing a major water change. You may want to test the ph of your water right out of the tap and then let it sit for 24 hours and test it again. If there's a big swing, it's something to think about.
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