please help dose crushed coral change ph level

  • We are currently upgrading MFK. thanks! -neo

josue25

Feeder Fish
MFK Member
Jan 11, 2009
229
1
0
australia
does crushed coral change ph to neutral levels in fresh water tanks my ph level is 4 i want to bring back to 7 or so

please help
 
Crushed coral will raise your pH level. Change your pH level slowly. Adding baking soda will also elevate the pH. Are you doing water changes?
 
Crushed coral is calcium carbonate essentially the same as oyster shells. You can put a big bag in or whatever and it will act like a buffer keeping your ph stable. This is usually accomplished due to the ability of the calcium to raise the ph. When your ph drops, the coral or shells get "eaten" or used up by the waters lower ph level, when they get used up the release the calcium back into the water so it stay high.

I have a big bag of oyster shells and mine is pretty constant at 7.3 which is nice. Consistency is best for ph rather than the supposed perfect level. I would also suggest it over baking soda as it would be a slower increase than a direct shot of baking soda, but if your level is at 4 it would still be a big increase up to 7...

Also, how old is your setup? That low of a ph almost sounds like old tank syndrome, http://www.bestfish.com/oldtank.html ... Was your ph higher before and then just bottomed out and are you doing gravel vacs if you have any substrate?
 
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