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Discussion Starter · #1 ·
My tank is approximately 600 ltrs -2 metres long by 50 cm back and 70 cm deep so I'd like an idea of how much tufa rock I'd need as a rough guide. I've seen that 25kg is approximately £30 but I have no idea how much weight I'd be looking at. Any advice appreciated.

Thanks
Andy
 

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tufa rock as decoration or a substrate? I assume decoration. Considering tufa rock isn't the densest stuff in the world, somewhere between 25-50 kg would be sufficient. What fish are going in there/how much free swimming room do you want?
 

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tufa rock as decoration or a substrate? I assume decoration. Considering tufa rock isn't the densest stuff in the world, somewhere between 25-50 kg would be sufficient(for substrate or decoration). What fish are going in there/how much free swimming room do you want?
 

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Discussion Starter · #4 ·
Thanks for the reply,

As decoration. I figure it's light so will bring out the colour of l.leleupi, it will help buffer the water (it's 8.0 at the mo' but a bit more alkaline may be beneficial) and I like the fact that you can shape it yourself.

I was figuring on three piles to split up territiries and three quarters of the tank depth.

My substrate is a combination of sand and crushed coral.

Just trying to work out a budget before deciding if I'm going the tang route.

Cheers
 

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Yeah those tangs can suck up your budget pretty quick, but totally worth it! :thumb:. If you just want three piles, I would say that 50kg will be more than enough, but 25 probably won't be enough(considering your tank is 70cm high.). Go with 50 if it fits in your budget, but 25 could be made to work if you needed it to! Something like 40 would probably be the perfect amount, I guess I don't know for sure though. Have fun decorating!

As an example, I have about 80 kg of limestone in my 75-gal tang set-up, but limestone is way denser than tufa, and the rock is stacked from end to end of the tank and from the bottom to about 2 inches from the top.
 
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