for african cichlids: slate vs lava rock

I wouldn't boil them. Rinsing in hot water is fine. Boiling can just end up making the rock explode if there are any air pockets inside. If they are from a pet shop you definitely shouldn't have to do more than rinse off debris.
 
AquariumNoob13, yea running really hot water should be enough if the rocks are not really dirty and depending where you got them.

i got the lava at a land scapers. its really not too bad, but it was pretty dusty. i rinsed it off and soaked it in hot water, but it looks pretty good now. i'll upload pics tomorrow on my 75gal progression thread. k?
 
I go to the landscape yard where they sell all sorts of cool rocks in bulk.
You have to pick through it, but the brown rock and rip-rap are 3 cents per pound.
When I setup big tanks, I get about 250lbs for $7.50 plus tax.. and usually that's too much for my tanks.

I find that it's uneven so it looks more natural than slate, and it's not as rough as lava rock. Here is a photo... mixed in with some african rootwood.

IMG_8044.JPG

Awesome assortment of Cichlids. Great tank...
 
It won't let me erase my own message, so I will just change it to say nothing.
:confused:
 
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