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Originally Posted by cplklegg  Plus, isn't pH range way lower in fresh than salt water environs? so a "good" reading on your fresh kit of around 7 would be lethally bad for marine creatures that need around 8.
I think from my chem class pH scale goes up by 10x per .1 difference? |
Some fresh water fish, such as African Cichlids, require a Ph of above 7. That's why API makes a High Range PH kit that works for both.