I ordered 10 lbs calcium and 10 lbs of magnesium for chemaster(littlesilvermax) and with shipping to vancouver island it cas me a little less than $80. Averaged out to be about $4 lb(454g). Even with shipping it was an awesome deal.
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72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium Skimmerless
2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow
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