toumaline? - Page 3 - The Planted Tank Forum
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post #31 of 36 (permalink) Old 11-10-2010, 02:32 PM
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I just think this type of marketing should be very actively discouraged and we should extremely critical of it in the hobby.

It does not help anyone or teach anyone much.
Hence does not support and help the hobby evolve.

Tom Barr

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post #32 of 36 (permalink) Old 11-10-2010, 04:39 PM
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On tangential note. What is the charocal under the substrate supposed to do? It does not seem to be a unique to ADA tourmaline BC.

When I was looking into setting up a terrarium a lot of the instructions called for putting a layer of activated charcoal at the bottom before adding the "real" substrate.
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post #33 of 36 (permalink) Old 11-10-2010, 04:54 PM
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I think its food for the bacteria to get started with, and fresh aquasoil has a lot of crap in it.... When I bought mine lots of protein film came up and out of the water so I guess it helpsnto absorb that, too. After that it's just more surface area for bacteria to grow on, because charcoal/carbon is only good for a limited amount of time. Also absorbs tannins,

That's why I did not buy tourmaline BC. I just added 100 mls of matrix carbon (spherical so it blends in with the aquasoil if it gets mixed up ever) and crushed my own tourmaline into sand and added it. I did not like the fact they they don't tell you what ratio tourmaline bc has of carbon to tourmaline in the 100 gram bottles they sell, so I know exactly what I put in my system.

For a terrarium it serves as a drainage layer I guess, and in the olden days they probably thought it was good to keep the media fresh but carbon only lasts a month at best (I think seachem matrix claims six months?) but having set up terrariums before (more like vivariums minus the plants) you should Make a false bottom so you can water as much as you want and drain it out when you want and nothing becomes foul.

Charcoal is a good soil additive to any terrestrial soil mix really, since it's light and airy and adds some chunkiness. I add horticultural grade charcoal to my orchid and carnivorous plant mixes. It absorbs trace elements for a while then just becomes chunky soil additive. Pumice is good, too. Pea gravel would work if you don't want to use charcoal but a false bottom is the best.

On a side note, I just ordered a half pound of tourmaline on eBay for THREE bucks! If you want to use it, go to eBay and type in schorl! You can get like four pounds of the stuff for what it costs for 250 grams of the Ada stuff, but you won't get the pretty box or green filter pouch it comes in.

Efhipimp # 428!
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post #34 of 36 (permalink) Old 01-01-2012, 01:43 PM
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Looking around the other sites rootmedic in particular I came across the additive tourmaline. Further research led me to this thread
Excusing all of the hype has there been any benefit found to the use of this product since the ending of the thread ?
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post #35 of 36 (permalink) Old 01-01-2012, 08:56 PM
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There isn't any documented or testable benefit to be found.
There never has been. is offline  
post #36 of 36 (permalink) Old 01-01-2012, 09:55 PM
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You could search the solubility for the various types of tourmaline, but that did not yield much for the searches I tried some years ago.

You could always toss a piece in a glass of water and seal it and see how long it take dissolve. Or measure the Boron content a month or two later etc.

My take on this stuff and like it........put up or shut up. This is not rude in the least, asking me to suspend common sense quite frankly, is rude.
The burden of proof is upon the one selling and making the claims, not the skeptics. If they cannot placate those folks without getting personal, lawsuits whatever.......then they do not have any evidence that suggest it works.

If "non limiting PO4 causes algae".........then adding it should induce algae, if not.......well.........I've satisfied the falsification of the claim, even without selling PO4.
There is not even any indirect evidence that it works, (like the Boron jar test I suggested above, which is frankly easy to do). Put up or shut up.

Tom Barr
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