Randy Holmes-Farley
Reef Chemist
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My Tank Thread
The only significant bacterial process I know of that likely consumes alkalinity in a reef tank (aside from a sulfur denitrator) is conversion of ammonia to nitrate.
It consumes 2.3 dKH for each 50 ppm of nitrate added. If nitrate is steady at any level, there is no ongoing alk depletion.
It consumes 2.3 dKH for each 50 ppm of nitrate added. If nitrate is steady at any level, there is no ongoing alk depletion.