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-   -   Testing water chemistery after a water change ? (http://www.aquariumadvice.com/forums/f11/testing-water-chemistery-after-a-water-change-300098.html)

Stinky Pete 02-27-2014 06:01 PM

What I meant by directions was how much salt pure gallon of water.

mrvincent 02-27-2014 06:02 PM

But why we have to wait... I don't understand... Is it for PH ajustment ? Or there's other factors ?

mrvincent 02-27-2014 06:03 PM

Quote:

Originally Posted by Stinky Pete (Post 2853817)
What I meant by directions was how much salt pure gallon of water.

Ah, it's written in grams... Conversion to ML is a bit hard for a crushed solid... So I guess the amount, then test, add salt, test, add test... Oops a bit too high, little RODI.

Stinky Pete 02-27-2014 06:25 PM

Quote:

Originally Posted by mrvincent (Post 2853819)
But why we have to wait... I don't understand... Is it for PH ajustment ? Or there's other factors ?


Yes you are waiting for PH to stabilize . I'm sure there are other factors as well

BigRedsReefs10 02-27-2014 07:09 PM

If you don't let the salt mix for at the very least 12 hours it's not completely mixed and you won't get a correct salinity reading. Letting the water mix for a day also stabilizes the trace element levels. Just go buy a 5 gal bucket to mix new sw in, pour in your water, throw the heater and power head in there pour in your salt and let it mix. I usually check the salinity of the new water the first time about 10-12 hours after I make it up, let it mix for another 10-12 and then do my wc.

mrvincent 02-27-2014 08:02 PM

New water 8.5 and Tank PH 8.0...

BigRedsReefs10 02-27-2014 08:44 PM

Don't worry so much about ph, stability is what you strive for over a specific number. I haven't checked the ph of any of my systems in probably 5 years.


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