Cool, I learned something new. My only concern is if the blender can turn the shells into a fine enough powder. I usually use the powdered chalk from homebrew stores. So please share your results.
Think that was a sydney reefer interview with a local oz coral farmer. Dose iron to increase glass algae growth that sucks up n/p and gets filtered out when alage is scraped off.
I would like a frag of this one.
@Arvin R, @Turkeysammich, @Alexx, @jkamboy96, @L/B Block, @CoralGardens619, @BayAreaSaltyReefer, @Finnaddict, @psidriven, have requested a frag.
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