him6616
New Member
i have crushed coral in my tank now but want live sand.what is a good way to change it and what are the benefits to my tank.i have a 90 gallon tank and went and bought 90 gallons of ro saltwater premixed and put it in and i am still waiting for it to cycle.we put 2 blue damsels and a yellow tail damsel in it to help with the cycling process,but the 2 blue damsels have died sould i leave them in the tank.