Lava Rock?

[jimdogs]

I have a 75 gal. saltwater fish only tank. I have treated my tank with cupermine in the past and live rock will not do so well, so can I put lava rock in my tank. Will this cause any problems?
thanks
Jim

 

[marvida]

Generally speaking it's not a good idea to use volcanic rock. It can be loaded with minerals, metals, & other stuff. Using it adds a lot of unknown variables into your system.

 

[jimdogs]

can you recommend another type of rock i can use. I'd hate to waste the money on the live rock just to watch it die.

 

[cprdnick]

Just find some aragonite base rock, it shouldn't be more that 3 dollars a pound.
As far as lava rock, think about this. What is lava? It's molten magma. What is magma? It is melted minerals, METAL and other things from the core of the earth. I personally wouldn't put in the same room as my tanks.

 

[birdy]

Look for Tufta or Lace rock, both of these can be used and are nice porus rock that will become LR eventually if seeded with LR.