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(im not really sure if this is the right thread for this to be in so feel free to move it)

i was just wondering what kind of rocks can go in tanks and what tests i have to do on them? i read something about a viniger test where you crack a little bit off and put viniger on the hole and see if it fizzes. is this all you have to do other then a good wash???

Depending on where you got it from, you may need to steralize it prior to placement in the tank. The vinegar test is to ensure it won't raise the ph of the tank

^_^
H2g2 2005 Don't Leave Home Without it

Last edited by Babelfish at 27-Oct-2004 09:39

Hi,
Rocks in tanks are easy.
You should do two things.
First clean them to remove any polutants and any
critters from them. At the same time you will also
remove any algae, of any kind that might be growing
on them. (Scrub them, and boil them in water for
a few minutes)

Second, when finished cleaning, and they are no longer
hot (naturally ! ) scrape the surface of the rocks
with a knife to get a fresh, clean, surface, and then
drip a drop or two of household vinegar on the scratch
and see if it fizzes.

If it fizzes, it is a carbonate and can alter the hardness
and pH of the water. If it does not, and it probably wont,
then it is "safe" for the tank.

If these are just pebbles to be scattered about the tank
you can set them on the gravel. If these are larger rocks,
or you want to stack them, then you need to push the gravel
aside and place the bottom rock directly on the glass, and
then pile the others on top of that. Glue the rocks
together with silicone aquarium cement, and be sure that
it cures completely before placing the assembly in the tank
on the glass. Fish that burrow, or push gravel around
can disturb rocks laying on the surface causing the rocks
to topple over and crack the glass.

Frank


-->>> The Confidence of Amateurs, is the Envy of Professionals <<<--