how do wait to test water after water change?

TropicalGrimmish · December 7th, 2008

just did my 1st water change how long should i wait to test my water??

Steve113 · December 7th, 2008

you can test it straight away - basically any toxins will be diluted by the new water added to the tank which will immediately reduce readings on your test kit.

Lucy · December 7th, 2008

It would be a good idea to wait about 24hrs.
If you test right after a water change it not a good gauge as to how well your bacteria is doing.

TropicalGrimmish · December 7th, 2008

ok, sounds about right...thank you

pepetj · December 8th, 2008

I test before water changes (when I need to which is quite often).

If I need to test after a water change I usually wait 20 minutes for most parameters except for pH. I rather test for pH early morning -before the sun is way up- when CO2 concentration is at its highest levels.

Pepe
Santo Domingo

TropicalGrimmish · December 8th, 2008

ya i did test b4 i changed the water..

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