I am using excel as I do not hav budget for pressurized CO2
I use minimum dosage, as I have shrimplets.
support
http://www.seachem.com/support/forum...ead.php?t=3595
IMO, it works for low tech nano tank. Big tank abit expensive to maintain with excel, may as well opt for pressurized CO2
When i say work doesnt mean i get lush, carpet moss with crazy pearlie. other user who use too much excel end up algae bloom.
just cont search on google .. its been compared a lot
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