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JohnO · 09-25-2007, 08:16 PM

I am thinking about starting up my SW tank again.

From the last time it was working I have quite a lot of rock which I kept, it ( the rock ) was left outside in the sun for a few months, but has been cleaned and stored for future use.

This is something that I have done before with some success, but have a question that some of the more chemically minded ( and I mean that in the nicest way ) of you may be able to help me with.

I did read somewhere that calcium, when it forms on surfaces actually absorbs(?) some of the available phosphates. Now if this is correct, and I use my old rock, will these phosphates leach back?

Any and all opinions appreciated

John

09-25-2007, 08:16 PM	#1 (permalink)
JohnO 3reef Moderator Join Date: Mar 2003 Location: Melbourne, VIC,Victoria Posts: 2,261 Karma: 928	Phosphates in Calcium I am thinking about starting up my SW tank again. From the last time it was working I have quite a lot of rock which I kept, it ( the rock ) was left outside in the sun for a few months, but has been cleaned and stored for future use. This is something that I have done before with some success, but have a question that some of the more chemically minded ( and I mean that in the nicest way ) of you may be able to help me with. I did read somewhere that calcium, when it forms on surfaces actually absorbs(?) some of the available phosphates. Now if this is correct, and I use my old rock, will these phosphates leach back? Any and all opinions appreciated John _________ The organization is like a tree full of monkeys, all on different limbs at different levels. Some monkeys are climbing up, some down. The monkeys on top look down and see a tree full of smiling faces. The monkeys on the bottom look up and see nothing but a&&holes.