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#1
12-20-2008, 03:40 PM
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Thats interesting. It was labeled as tufa at the lfs.
Although from what I have read there is tufa and tuffa and they are different. Some people have bought some that is mined in Ohio, some of it is supposedly old dead coral reef. I really don't know how to tell what I have. It looks like fossils in rock, it is fairly porous, and fairly fragile. Although the pores are quite a bit smaller than the piece of live rock I have. The pores it has are large enough that snails seem to be able to live inside it. Last night I spotted two snails on the rock and this morning there was a tiny one, all the same type, not sure what type. 
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#2
12-20-2008, 04:29 PM
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Tuffa is commonly sold for tanks at stores that don't know any better, it is good for decorationg a rock garden but not your tank.. the reason is it is a bunch of minerals that are bound in softer stone that water can erode away. this is why it is so pourous. but with this also come the ability for our tanks to erode it further causing a release of mineral, most comonly iron which can lead to lots of algae blooms. Lava rock is also a bad choice as you never know what the chemical composition of it is.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.
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#3
12-20-2008, 06:13 PM
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Hi I don't think I've seen any good base rock in vernon or kelowna.
I bought a 50# box at J&L, 50# of live rock at OA, and I made 100ish# of my own rock. Like everyone says you shouldn't use lava rock or limestone, lots of chemicles in those to leech into your a-querium. My tank has been running since sept. My base rock looks like my live rock and my home made rock is getting close. I added my cuc after about a month. Corriline is just starting to spread(finally)onto glass and pumps ect. Have fun and go slow (It's hard)
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#4
12-20-2008, 06:41 PM
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Does anyone have firsthand experiance with tuffa rock, negative or positive?
I have read lots of articles and posts claiming that tuffa is bad but they are never by someone who has actually used it. All the posts I am finding from people who have used it are positive. I read a post from a woman who claims to have nothing but tuffa in her tank with no problems for years. I also read a post from someone who claimed to have 350lbs of concrete with only 40lbs of live rock and no problems. I would be interested to hear from people here what your experiances are with it.
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#5
12-20-2008, 07:51 PM
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Quote:
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#6
12-21-2008, 12:42 AM
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Quote:
people like it as it is cheep, very cheep about 17 cents a lb is you go to the mines in BC and buy it direct. they also refuse to believe that that is what could be causing the problem. Now not every piece of tuffa or lava rock will cause problems it all depends whats in it. I had algae problems for two years till I broke down and got some live rock, which was very expensive and hard to come by back then. then magicly all my algae problems dissapered over the course of a month. This has come up on the board a few times over the years, I think about 5 years ago there was a lot of discussion on it if you wanted to do a search. I was actualy one of the people looking into trying it again as I am inharently cheep  Actualy if you go back to the start of the board there were a bunch of us cheep guys and we tried to do all kinds of things with lights, sand, ect some interisting reading on some, others a real good laugh.Steve
__________________
*everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.
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