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HOW MUCH WATER DO I TAKE OUT


M.H
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HI i got my first tank(5x2x2) about two months ago and ive got about 15 africans my question is when i do my water change how much water do i take out and do i take out the water from the sump(3foot) and how often ive only done it once since ive had and took about 1/3 of the water from the tank nothing from the sump any advice would be good

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HI i got my first tank(5x2x2) about two months ago and ive got about 15 africans my question is when i do my water change how much water do i take out and do i take out the water from the sump(3foot) and how often ive only done it once since ive had and took about 1/3 of the water from the tank nothing from the sump any advice would be good

I usually take 10% a week, but other people might disagree?

Work out how much water you have in your whole system sump included and then calculate how much 10% is to take out.

When i do my water change I turn the pump off and I take from my sump if the gravel is not to dirty. If the gravel in the tank is dirty then vacuum instead. Just count you buckets or use a texta to mark the 10% line.?

Stu

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What is your nitrate level? 25% a week for my tank. Primary reason for water change is to remove nitrates. Secondary reason is to remove other stuff from water eg phosphates that may affect quality.

HI i got my first tank(5x2x2) about two months ago and ive got about 15 africans my question is when i do my water change how much water do i take out and do i take out the water from the sump(3foot) and how often ive only done it once since ive had and took about 1/3 of the water from the tank nothing from the sump any advice would be good

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Tough Question!

With a properly running sump that size and a lightly stocked tank I would say you could get away with once a month, But like cpfc said, it really depends your water conditions

If you monitor them, they will give you a indication of what's going on.

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The "standard" answer to this question is 1/3 each week. This will vary dependant on fish numbers, tank size, quality of water etc. Aim for 1/3 and you can't go too wrong. If you want to do more you will need to start factoring in similarities of existing water and replacement water.

Edited by CThompson
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