please read if you have bogwood

[jimbooo]

just to clarify it wasn't poo the gravel was actually black. looked like charcoal and did not change colour even after the vac. i grabbed a few fistfulls and threw it out, some remained but i just mixed it in.

i dont want to be responsible for everyone pulling their tanks apart tonight. dont shout at me if you do so and all's fine. i'll feel terrible. 

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Jeez you know how to make people happy....

just look at the tank i have just built....

there has to be something said about the good old undergravel filter....?

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looks lovely woody. good luck with it. sorry if my post has worried you. i dont use UGF's in theory it should stop the problem i suppose.

 

[George Farmer]

Another benefit of substrate heating. No anaerobic deadspots that lead to Hydrogen sulphide production IME.