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I have done the water change and some ppl said not to do too much as it would cycle my tank all over again by removing the good stuff. Even after changing it there was no difference in the nitrates level although the reason for my water change so close together is that one of the news got sucked up in the powerhead. So rather than have it toxify the tank I did a water change.
Mine does the same thing, clouds the water sometimes, I dose 5ml every day in a 50 total water volume tank. Corals do look way better though!
I also get a whitish buildup on the glass sometimes too, not sure if this is from the Chemicals or oyster feast I feed
What's your total daily dose at now? And water volume again?
I was in a similar situation with nitrates hovering around 64 in my reef tank. Needless to say corals weren't doing well and had nasty cyano on my sand and covering some rocks. What I did was two 50% water changes a couple of days apart, and then started nopox dosing at 3ml per 25 gallons (I have about 100 gallons). It's been about three months since then and nitrates have stayed less than 5 and all the cyano is gone and has not returned, and corals that hadn't grown in months have exploded.
IMO I'd recommend a couple of big water changes to knock the nitrates down and then see how dosing goes. Worked for me. Good luck.
The tank is 151g and I have a 70g sump so I would say 150g total volume with rocks taken into account. Daily dosage of 15ml, going to increase it to recommended dosage of 20ml starting tomorrow.
I think you might get another bloom with that kind of increase. I would jump to 18 for ~5 days, then 21 for 5, then re-test.