Where to get bio rock? JHB?

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Wanna add some biorock to my tank (gonna add a lot more flow and some more LR to improve the filtration)

where can I get it in JHB and how much does it usually go for?
 

Bayls

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Hi
Its normally about R45/kg. I've got about 20+ kilos at R35/kg if you like..... Send me a message tomorow.

cheers
 
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lanzo: all sorts of shapes ;) It's essentially just porous rock, good to use as a base then put LR over it. Else some people use all bio-rock and then wait for it to be colonised by bacteria...

The bio-rock made of cement isn't great apparently, its the ceramic stuff thats good! ;)
 

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