![]() |
#3
|
|||||
|
|||||
![]() Tufa rock is just calcite which itself, is ok for aquariums. The catch is that you need tufa that is free from any significant levels of impurities that would be toxic to reef life.
http://www.tufa.bc.ca/tufa_history.htm |
Thread Tools | |
Display Modes | |
|
|