- Joined
- Nov 20, 2019
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Hi, I’m wondering how to address low alk and possibly low nutrients.
I have a 1+ year old 40g SPS/LPS/clam tank with 2 clowns, cardinal, wrasse, and fire fish. It has a 20g sump with some mangroves, using ATO with kalk that I think is saturated. I stopped skimmer and GFO several weeks ago after seeing nutrients low.
I test rarely but tonight was surprised to find alk low. All tests salifert except pH (api)
alk 5.7
Ca 450
pH 8.2
nitrates - undetectable
Phosphates - undetectable.
76 deg, 1.025
I am trying extra feeding to bring up nutrients, but do have algae in tank.
my next step is to try to bring up alk, probably by adding baking soda.
what do you think?
thanks
I have a 1+ year old 40g SPS/LPS/clam tank with 2 clowns, cardinal, wrasse, and fire fish. It has a 20g sump with some mangroves, using ATO with kalk that I think is saturated. I stopped skimmer and GFO several weeks ago after seeing nutrients low.
I test rarely but tonight was surprised to find alk low. All tests salifert except pH (api)
alk 5.7
Ca 450
pH 8.2
nitrates - undetectable
Phosphates - undetectable.
76 deg, 1.025
I am trying extra feeding to bring up nutrients, but do have algae in tank.
my next step is to try to bring up alk, probably by adding baking soda.
what do you think?
thanks