Crush coral as substrate?

  • We are currently upgrading MFK. thanks! -neo

E.C.H

Feeder Fish
MFK Member
Jun 20, 2009
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UW! Go Huskies!
I did some searching on the forum but there wasn't any reference material, so I'll ask. Has anyone or does anyone currently use or has seen anyone using crush coral as substrate for their rays? I know it raises the PH, that's goes without saying, but I want to see how well their rays adapted to the higher PH levels?
 
What they said above. It would shred the soft belly. As for as PH levels as long as they are acclimated over to a higher
PH there isn't a problem. My tank never gets below a PH of 8 - 8.4 and my hardness is off the charts. No Problems here.
 
It wouldn't be advisable to use any grade of crushed coral as a substrate but as a buffer in relative small amounts either in a filter bag or as i do incorporated into my built in filters in baskets, its very useful for raising the KH in soft water areas to prevent Ph crash thus maintaining a sensible Ph also.Too many nice fish die from sudden crashes in Ph......ive lost quite a few in the early days this way.......we all live and learn!
 
agree.. crush coral are too sharp for rays.. to buffer water it will work.. second crush coral tend to crumble into small debris to makes the water cloudy.. if you put it into a tank to cover the areas then you will see lots of cloudy water.. second your rays will yank up these CCs so it will cause problem then what ever you're trying to do.. if you just want to buffen up pH and as a substrate then why not try Argonite..
 
Thanks guys. But I should have mentioned that it's not the traditional larger, jagged crush coral. The stuff that I currently have that was used in my Fly River Turtle tank is actually crush coral sand and a combination of sand like grains and other tumbled round sand-like pellets. Actually pretty small grains and soft/smooth.
 
E.C.H;4236095; said:
Thanks guys. But I should have mentioned that it's not the traditional larger, jagged crush coral. The stuff that I currently have that was used in my Fly River Turtle tank is actually crush coral sand and a combination of sand like grains and other tumbled round sand-like pellets. Actually pretty small grains and soft/smooth.

I get what you are saying but "all"coral gravels regardless of their consistency in size and shape have an abrasive texture to them,this fine texture is hard to detect with your fingers but to a Stingray it would be the equivalent to sitting on very fine sand paper.Never under estimate the vulnerability of the underside of a rays disc,even the slightest scuff can lead to infection!
 
the disk would be macerated and they cant adapt to high ph
 
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