Max % water Change

[Chad]

Well a while back I posted the question to other Kent Salt users if they had similar results if their change water was mixing for 3 or more days.

But I believe no one had either tested or had the same results.

So I am now stuck in this situation where even when I do a water change the Nitrates are not dropping enough with my 6gal water change.

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I will try a 50% water change in the next day or so and see what happens.. Any precautions I need to take?