rocks safe

[DJ BIG T]

i got a friend that got a hold of these type of rock its not real rock its very light it feels like its made with foam and cement over it heres some picks tell me what you think....i just want to know if its safe for my tank.

 

[Princley]

yes some ppl make water falls and such out of it the same rock can be bought at home depot .. oh it real rock it has just been sculpured ..ny spelling sux but u dig

 

[Nic]

looks like a veneer careful it might leach out lime

 

[DJ BIG T]

looks like a veneer careful it might leach out lime

thats what im worried about the lime...how could i tell if it has lime? my friend has a truck load of this stuff...

 

[Princley]

um that rock will RAISE PH big time for sure

 

[ewurm]

pour vinegar on it. if it fizzes, you can't use it, it will dissolve

 

[DJ BIG T]

pour vinegar on it. if it fizzes, you can't use it, it will dissolve

k ill try it in the morning thank you guyz..

 

[ewurm]

thats what im worried about the lime...how could i tell if it has lime? my friend has a truck load of this stuff...

They fill fake rocks with the cheapest crap possible. Lime is one of those things.