I have had my Tank up and running since February. I'm now testing my parameters. My alk
is low. 6.5. The calcium is 430, mag 1360. Why is the alk
going so low? My tank is a 50 gallon with a sump. I do water changes every week. 7 to 10 gallon wc
and I also vacuum the sand every week. My tank is a rimless tank. I was told by a lfs
that I'm doing touch wc
to often I'm not letting things grow and mature. ????.
They recommend wc
every 2 weeks. I have a small bioload.
Please help. What should I be doing.
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