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I have even less dinos than last update.
Cyano is still going strong but only half so compared to two weeks ago.
My display tanks algae is at around 25% from its high.
It's been five weeks since I lost most of the dinos and by the rate things are going it could be a clean tank in another five.
The immediate change in the corals was amazing so there is no doubt about the ill effect dinos have on them.
They colored up in a few days and growth that had been none before was noticed.
The most drastic action I did was to turn off the calcium reactor.
Three days later the dinos crashed.
The changes that brings is less calcium, alkalinity, Magnesius and CO2 entering the tank.
There was also a 0,1 drop in pH. I'd expect that odd drop instead of a raise to be because of alkalinity drop.
I had been doing measures before to lessen the amount of CO2 entering the tank that could have been working well.
Last weekend and the one before I measured Ca at 350 and alk at 5.5.
I did a 20% water change then and fired up the Calcium reactor again at low flow rate of CO2 and effluent, without any changes to the dinos.
Like many complex things there is a combination of elements that can cause a certain situation.
The reactor going down could have been the last in what pushed the dinos away.
I can't say it's a solution yet, but if you have nothing else to try, go ahead and let your parameters go low and see how it goes.
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