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So everything was stable. The issue was nitrate. I had a fish die and go unnoticed causing a spike in nitrate.What are your other water parameters like, size of the tank, what do you dose/feed, etc.
Mine are usually 5 but they spiked to 40I guess it depends what your nitrate levels normally are. Mine are close to 40 and my SPS seem to love it.
Are your nitrates back down to normal...?Mine are usually 5 but they spiked to 40
Been doing wc. Mixing more salt atm but its around 10 to 15 rn. Trying to lower it to normalAre your nitrates back down to normal...?
25ppm in 2 days?A little nitrates rise didn't cause that.
Nah, but you had an ammonia spike prior to all those nitrates, that may have irritated SPS.25ppm in 2 days?
Oh for sure but that seems to be the only parameter that jumped. I did change lighting but I have that set to 25% slowly ramping upNah, but you had an ammonia spike prior to all those nitrates, that may have irritated SPS.
Nah, but you had an ammonia spike prior to all those nitrates, that may have irritated SPS.
The tissue is also dying in the middleUse to work for 5yrs in a coral shop.
Once tissue starts dying bottom up, for us to stop it we'd cut above the dead tissue and reglue
Without cutting its like cancer that keeps going upwards
Agree but SPS don't like sudden changes or spikes. I'm only speculating that if his fish died which ultimately resulted in a nitrate spike this was probably preceeded by an ammonia spike that upset his coral now showing STN.Corals like ammonia (up til an unknown point, of which is unlikely to have spiked that much in an established tank given that everything photosynthetic may attempt to take it)
No polyp extension but they're alive stillHow are your other SPS corals doing?
Update. Sadly the piece is completely dead. Tissue necrosis got to it extremely quickly and it was 90% gone. Preparing wc tomorrow and hopefully it'll be okAgree but SPS don't like sudden changes or spikes. I'm only speculating that if his fish died which ultimately resulted in a nitrate spike this was probably preceeded by an ammonia spike that upset his coral now showing STN.

