Natural Carbon for plants?? - The Planted Tank Forum
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post #1 of 62 (permalink) Old 08-20-2010, 04:32 AM Thread Starter
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Natural Carbon for plants??

Is there another way to supply carbon to plants other than CO2? I would hope we could find a way to supply this in tablet form but I do not know?
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post #2 of 62 (permalink) Old 08-20-2010, 04:33 AM
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Fluorish Excel/ Metricide.
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post #3 of 62 (permalink) Old 08-20-2010, 04:39 AM Thread Starter
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what is metricide and is there anything in non liquid form?
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post #4 of 62 (permalink) Old 08-20-2010, 04:58 AM
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CO2 gas is the way to go.


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post #5 of 62 (permalink) Old 08-20-2010, 05:05 AM
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Pressurized co2 really, really rocks but if you don't want to use that, or diy, or excel, then there really isn't anything else to use other than that. There os this electric block thing you can use to supplement carbon but it does it by eating up your KH. It's expensive, barely works and no one uses it... No one.

It doesn't get much easier than adding a few ML's of Excel or metricide (gluteraldehyde) if you don't want to use gas. Why so insistent on having a solid source? Alka-seltzer won't work ; p
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post #6 of 62 (permalink) Old 08-20-2010, 05:11 AM Thread Starter
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well i am just trying to find an easy solution i would really like to kill the hair algae in my tank and was told more co2 would do it basically and i was hoping that aybe there was a kind of tablet to be put in the soil for slow release
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post #7 of 62 (permalink) Old 08-20-2010, 05:14 AM Thread Starter
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okay so i now know what excel is but what is metricide and is it more expensive
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post #8 of 62 (permalink) Old 08-20-2010, 05:31 AM
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Metricide is glutaraldehyde (a chemical). Excel is similar, but is much more dilute than Metricide.

Metricide is much cheaper than Excel (dollar per effective mL).

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post #9 of 62 (permalink) Old 08-20-2010, 05:32 AM
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You could search...

Metricide is a slightly stronger concentration of gluteraldehyde than excel is. Some people use it exactly as if it was excel, same dose. You could dilute it or use less if you want. It is actually a lot cheaper Han excel when you consider that it is stronger. You will have to search yourself to find the concentrations of the two.

Metricide is used as a sterilizing agent in hospitals. It is gluteraldehyde. Excel is Technically polycycloglutaracetal.

It is not as good as pressurized co2.

Edit: ninjad!
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post #10 of 62 (permalink) Old 08-20-2010, 10:05 AM
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Quote:
Originally Posted by mistergreen View Post
CO2 gas is the way to go.
Carbon doesn't get much more natural than this...
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post #11 of 62 (permalink) Old 08-20-2010, 12:13 PM
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The other way of getting rid of BBA would be to reduce your lighting and make sure other nutrients are at adequate levels. Prune and spot treat existing BBA with H2O2.

Dave

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post #12 of 62 (permalink) Old 08-20-2010, 03:25 PM
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One way to get a real natural CO2 source is to use a topsoil substrate, preferably not mineralized. As the organic matter in the soil slowly decomposes it will provide a slow and steady CO2 gas release into the tank water. This idea is explained well in that Diana Walstad book.
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post #13 of 62 (permalink) Old 08-21-2010, 06:58 AM Thread Starter
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okay so I am beginning to understand but what is h2o2 and how do you keep the soil from floating
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post #14 of 62 (permalink) Old 08-21-2010, 07:30 AM
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Re: Natural Carbon for plants??

Hydrogen peroxide and you use a topper for the soil.

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post #15 of 62 (permalink) Old 08-21-2010, 10:33 AM
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Quote:
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okay so i now know what excel is but what is metricide and is it more expensive
I just ordered another gallon from www.dealmed.com. I do not dilute it, just use it as it is. Btw, if you buy this, make sure you don't use the activator.
I use 20ml/day for my 55g and 10ml/day for my 29g to kill the darn algae.

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