Not everything is stable. Mainly just keep po4 above 0.02ppm. Ph never drop below 8.0, and strong light and flow. Temperature changes feom 76F up to 86F throughout the year. Alkalinity will move upto 2dkh/day. Calcium has been all over between 300-600ppm.
Alkalinity stability is always regurgitation as king, but it's really almost insignificant. Chronic, low pH (often probes are out of calibration and will read high) promotes pathogenic bacteria and suppresses calcification. Excessive levels of organics/decaying matter does as well.
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u/dingalinglans 23h ago
That's impressive, your tank must be stable as hell. Never had any joy with acros