My tank parameters,
Taken 3rd March,
Ammonia 0
No3 0
KH 8.6
Mg 1200
Calcium 400
PO4 0.03
Ph 8.2
10 March
Ammonia 0
No3 0
KH 6.1 (Tested 3 times w Salifert)
Mg 1140
Calcium 420
PO4 0.03
Ph 8.2
Realised KH dropped significantly, however, SPS, LPS all doing great.
Any idea why this is happenening? PH is stable..