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Those aren’t bad numbers. The thing with this hobby is that most times it’s not “what are my numbers this minute” it’s “what kind of swings am I seeing over 24 hours?” A Ph around 8 is great but not if it’s swinging from 7.2-8.2 in 12 hours.My Alk is around 8.6-8.7
PH is 7.95
IMHO, I think way to much is made over swings in alk and temp and such.Those aren’t bad numbers. The thing with this hobby is that most times it’s not “what are my numbers this minute” it’s “what kind of swings am I seeing over 24 hours?” A Ph around 8 is great but not if it’s swinging from 7.2-8.2 in 12 hours.
I’ve had bad things happen changing my Alk that much in a single shot. What works for one person will destroy another in this hobby. It’s both amazing and frustrating.IMHO, I think way to much is made over swings in alk and temp and such.
I have a 40g aio mostly sps tank and I does it manually. I have had occasion to raise alk from 6.5 to 9.0dKH in one dose. Some corals pull polyps in and in just a minute or two they are back out and I've seen absolutely no long term effects.
I'll agree stability is important, but really not critical.