#1
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Useful calculator for GFO, carbon, alk, cal etc...
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 |