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kali 08-06-2009 08:19 PM

a day at the rock yard.!!!
i found a really nice boulders rock at schwake rock inc yesterdays after spend all most 2hours walk around their warehouse , but the rock got some kind glass or whatever that it in there . looking so shiny under the sun. wondering is those shiny rock like that safe for aquarium.?

Church 08-06-2009 08:23 PM


kali 08-06-2009 08:29 PM


Originally Posted by Church (Post 888203)

didnt took any pic ...i guess i could come back there next week if i got a day off. if i was right its a 'black satin boulders"

kali 08-06-2009 08:32 PM
dont get fool by the pic on the website ..real life all over the rock looking like a mil tiny glass cover it

Church 08-06-2009 08:52 PM

It's not like we'd be able to tell you for sure by looking at a picture anyway...

The sparkles are probably little pieces of mica, or quartz, or some other crystal. Probably harmless. But the real test is to drop a few drops of hydrochloric acid on one of the rocks and see if it foams or fizzes. If it does, don't put it in your aquarium.

That appears to be a nice rockyard! Here in Florida, the ones I have close to me are filled with limestone-containing rocks that have no business in any aquariums other than alkaline African Cichlid tanks. Looks like the ones at your local rockyard are more granite-based, which is a good thing.

dthb4438 08-06-2009 09:31 PM

I like the "sponge rocks" . Do you think they really look like that?

kali 08-07-2009 01:11 AM


Originally Posted by dthb4438 (Post 888243)
I like the "sponge rocks" . Do you think they really look like that?

yep exactly like that me though you dont want that one in your tank .. that the most ugly and ewww , beside i dont even think that one is aquarium safe .. most folk around here and myself got a lot of imagination rock ( that look like lace rock but brown color ) for african cichlids

SvenBoogie 08-13-2009 11:25 PM

I have to admit, I'm curious to hear how these guys react when you tell them you want to buy...

one rock.

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