Two NEWB questions

S

swenard

AC Members
Jul 11, 2005
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1. Can I mount a PH upside down? I bought the filters that go on them to help remove the couldiness in the water from me moving the sand around while I set it up, but they're big and I would rather have my PH's lower in the tank.

2. Best shapes of LR? I bought some base rock that looks like solid chunks of rock(for the most part) and was told by the LFS to drill lots of holes in it. But I'm not sure what holes are desirable and what size. Could someone tell me what the most desirable piece of rock should look like. Not based on aesthetics either. Just for bacteria growth and hiding spots.
 
1. Yep, works fine either way.

2. For hiding spots: holes need to be just a bit bigger than the adult fish (for most fish--a lot depends on the species). I prefer to make holes in a range of sizes, so there are lots to choose from. But--and this is where fish selection comes into play--some fish won't hide in a hole. Most prefer a bigger area, where they can turn around comfortable, and peer out. So, unless you're planning lots of tiny fish, I wouldn't drill holes, just stack rocks so there are lots of nooks and crannies and caves.

For bacteria--you can't drill holes small enough to matter. Choice base rock will be something that is already porous, like lava or tufa--but these are tiny holes, smaller than you can really see. Drilling holes will increase the surface area available, but not to the extent relevant to bacteria.
 
Thank-you, I'm glad the PH will be fine, because those filters seem to work very well. As for the LR, I have it set up so there is lots of caves and hiding spots. SO I am O.K. there. I think I will try drilling one of the rocks to see if it improves the looks of it.
 
LR Holes

MY LPS sell "man made LR" it's cement that has been set in the ocean for a while they ALL have holes in it ranging from 1" to 3"'s. my damsels love them they dont hide in them but the spend all day swimming through them. check some other LPS and ask them if they have any
 
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