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Old 09-12-2017, 02:51 AM
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G.Alexander G.Alexander ثeu
Join Date: Jan 2005
Posts: 35,173

Do you have a chance to cross check salinity with a different, accurate instrument ? Basic water parameters are relative high which is common for higher salinity.

It will take some time until you notice a decrease of nutrients, this will take longer if you use a smaller quantity of zeovit.

I was under the impression that you use the basic system already, what exactly do you mean with the question when the best time for the switch will be ?

You can place the some of the old material in the sump, it is just some kind of biological filtration material than but usually this is not necessary.

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