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I had big problems with sand over Tetra Complete. The substrate went aneorobic very quickly and the tank became riddled with BGA. I know residual BGA is still in the tank but switching substrate (to Eco Complete in this case) has knocked it back to a point where it's not an issue. I think the...

I'm using sand (J. Arthur Bowers lime free grit sand) as a substrate in one tank and it wouldn't be my first choice if I was starting again but it goes OK. I've got a mixture of coarse grit (again it's J. Arthur Bowers from a garden centre) and laterite underneath and I think that helps a lot in...

I've tried it in a couple of tanks and, like Lisa, found it's a big problem if you get any into the water column. I know someone with a 600L tank that's 50cm or so deep, he's got a 3-4cm cap of gravel over it and doesn't do much replanting. It's fine for him and the plants go well. With a...