Weekly excel dosing or DIY CO2 - Page 2 - The Planted Tank Forum
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post #16 of 23 (permalink) Old 11-17-2007, 02:55 AM
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I think if you go Excel, might as well combine it with DIY CO2 to get maximum results.

Or else you can:
1. Blow air through a straw a couple of minutes a day into the water, you can get up to 10 ppm in about 10 minutes in a small tank I think.
2. Have tons of water to air movement and churning, so even though the CO2 levels are really low, it'll constantly be replenished as quickly as your plants use it up. <-- it should work theorectically, but I could be wrong.

CO2 is very important! Excel is just not real CO2 but a substitute... a very expensive substitute that is. But it does work effectively.

So what works best is either DIY CO2, or DIY CO2 + excel.
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post #17 of 23 (permalink) Old 11-17-2007, 03:02 AM
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Originally Posted by wujimon View Post
Bsmith,
Are you for real? That's a huge and drastic change over what you had! I can't believe it! I question it only due to the old picture being slightly fuzzy while the new one is crystal clear. Kinda like those lose weight/acne infomercials of before and after..
no lie, same tank.
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post #18 of 23 (permalink) Old 11-19-2007, 03:14 AM
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I have used DIY CO2 in conjunction with excel, in the past, on a 55gal el natural tank in the past. I was *very* happy with the results.

Now I have a 29gal low tech with only excel and the growth is horrible. Of course, I don't think this tank is getting as much light as the other one. I am thinking about adding DIY CO2 to this tank just to see if there's a improvement.
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post #19 of 23 (permalink) Old 11-19-2007, 04:04 AM
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Originally Posted by TigerLilly View Post
I have used DIY CO2 in conjunction with excel, in the past, on a 55gal el natural tank in the past. I was *very* happy with the results.
How many bottles did you have to use on the 55? Keep reading that DIY on a 55gal is completely out of the story due to the fact of CO2 not being stable..

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post #20 of 23 (permalink) Old 11-21-2007, 04:13 AM
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How many bottles did you have to use on the 55? Keep reading that DIY on a 55gal is completely out of the story due to the fact of CO2 not being stable..
Six 2liter bottles, and I read the same thing when I was looking into CO2 options for that tank. I couldn't afford pressurized, and dosing excel souly would also be too expensive so I just did the DIY CO2 anyway. It worked great, but keep in mind this was a low-tech, semi-el natural tank. I loved that set up!
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post #21 of 23 (permalink) Old 11-21-2007, 04:14 AM
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Even my glosso would grow horizontal
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post #22 of 23 (permalink) Old 11-23-2007, 02:53 AM
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Did you change three out each week? Seems like alot of sugar!

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post #23 of 23 (permalink) Old 11-26-2007, 12:30 AM
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Did you change three out each week? Seems like alot of sugar!
Yes, I use to when I had that tank. Yes, it was a lot of sugar.
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