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#1
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![]() Just thought I'd share this link. Ive used others before but couldn't find Brightwell in particular and have never noticed one for GFO or Carbon
MarineDepotCalculator |
#2
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![]() Here is another calculator for alk ca and mg
http://reef.diesyst.com/chemcalc/chemcalc.html
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Randall |
#3
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![]() Bulk reef supply has one too:
http://www.bulkreefsupply.com/reef-calculator |