co2 amounts - The Planted Tank Forum
 
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post #1 of 13 (permalink) Old 11-02-2007, 01:41 AM Thread Starter
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co2 amounts

Should I worry about my co2 levels in a 36g tank with 2 nutrafin co2 kits that have 11 bubbles on each ladder at on time. I am just wondering because my plants are not pearling but I have really good growth and the fish look happy.



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post #2 of 13 (permalink) Old 11-02-2007, 01:44 AM
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Have you tried a drop checker (blacksunshine sells them on here)? That is an easy way to check your levels. However, if you are seeing good growth/little algae, you might be in a good range. Also, remember that plants can do very well without pearling.

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post #3 of 13 (permalink) Old 11-02-2007, 02:20 AM Thread Starter
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well even if i did get a drop checker how would I adjust my co2 with the yeast nutrafin kits? Well the rotala in the back grew huge in the past few days and the grassy plant cant remeber its name has tripled in size so I dont think that I have anything to worry about and dont you need a certain kh specific water to put in to the drop checker because red ses's wont work without it.

Also I did have an algae bloom in the water which I cleared up with a uv sterilizerandfor that I get the occasionally small algae spot on the glass and some little spots of hair algae but except for that I dont have algae problems
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post #4 of 13 (permalink) Old 11-02-2007, 02:24 AM
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Originally Posted by radioman View Post
well even if i did get a drop checker how would I adjust my co2 with the yeast nutrafin kits? Well the rotala in the back grew huge in the past few days and the grassy plant cant remeber its name has tripled in size so I dont think that I have anything to worry about and dont you need a certain kh specific water to put in to the drop checker because red ses's wont work without it.

Also I did have an algae bloom in the water which I cleared up with a uv sterilizerandfor that I get the occasionally small algae spot on the glass and some little spots of hair algae but except for that I dont have algae problems
The DCs I referred to come with the solution. You can adjust the DIY mix that you use to change the co2 production rate to a degree, but it is easier with pressurized. Or, if you had too much, take one out/too little, add another. I was just suggesting a way to measure because you asked if you should be concerned

Mike


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post #5 of 13 (permalink) Old 11-02-2007, 02:24 AM
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I never knew how does a ladder work. When the bubbles reach the top of the ladder do they just fly to the surface? Maybe not enough Disapation

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post #6 of 13 (permalink) Old 11-02-2007, 04:21 AM Thread Starter
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I never knew how does a ladder work. When the bubbles reach the top of the ladder do they just fly to the surface? Maybe not enough Disapation
In the ladder system the bubbles start out big and then become very smal because they are dissolving into the water.

also thanks for the info
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post #7 of 13 (permalink) Old 11-02-2007, 01:14 PM
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You don't need pearling to have a healthy tank. If the plants are growing, the fish are healthy, and more importantly, no algae, You're doing well.
Another way to adjust the CO2 level is to start adding some surface aggitation. CO2 production is the same, but you out gas a bit more.

Walter

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post #8 of 13 (permalink) Old 11-02-2007, 03:13 PM
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i had 2 Hagen/Nutrafin DIY co2 setups with 2 bubble ladders on my 30g hex tank and it wasn't nearly enough c02 for 2.4 wpg so i doubt you've got too much co2. have you done any tests to find out how much co2 is in your water?

the 24hr pH test is pretty easy.
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post #9 of 13 (permalink) Old 11-02-2007, 03:48 PM
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My plants don't pearl that much, although growth is good. In order for them to pearl, there has to be supersaturation of oxygen at that spot on the leaf when it's occurring. I would think that this isn't always possible with larger volumes of water and circulation methods....
If the plants are growing, don't worry about it. But yeah, getting a drop checker wouldn't hurt.

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post #10 of 13 (permalink) Old 11-02-2007, 03:52 PM
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do they make colorblind friendly drop checkers?
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post #11 of 13 (permalink) Old 11-02-2007, 04:25 PM
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Quote:
do they make colorblind friendly drop checkers?
hehe, well blacksunshine's is just either yellow/green/blue the solvent turns colors, not sure if some other brand has like a gauge or float that rotates sideways w/ marks on it, not sure...

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post #12 of 13 (permalink) Old 11-02-2007, 04:43 PM
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Yep, it's called the CO2 chart.............. lol. I've heard lotsa folks say don't rely on it but I gotta tell ya, it seems to be pretty damned close to what my DC is sayin. Check your dKH and your pH using liquid test kits. Plug the numbers into the CO2 chart on this site as a sticky in water parameters (I think) and that should give you an idea. The thing to be aware of is when I had a Hagen yeast ladder set up subsidized by (2) 2L bottles:

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ID:	4613 on my 30G, my CO2 levels were hideously low but my plants grew great for a while. Specially my Rotala. Man, this stuff is like a weed (lol, it is a weed!!!!). It'll take over your tank if you let it. I never had a green water bloom, just had some green hair algae on the glass. BUT, eventually came BBA and boy when it came, IT CAME! Almost killed my Rotala and there is still evidence of it in my tank.

I was a cheap ass too and didn't think I needed to go pressurized and played mad scientist mixing wild concoctions of different yeast/water/baking soda/no baking soda/warm water/cold water/up to (6) 2L soda bottles at once..... man if it was possible, I tried it!!!! None of it saved my from the 3 HIDEOUS bouts of BBA that nearly wiped out my tank!

My experience tells me (and I'm sure I'll get reputed by others as I have b4) any tank over 15-20G, I'm gonna have pressurized CO2 on (if it's high light) cause tryin to maintain adequate CO2 levels with yeast is just like a dog chaisin his tail! I know the box says (from memory so I think this is factually) that the Hagen ladder set up is good up to like 30 or 35G. IT'S A LIE...... Don't believe it for a second. You're probably gonna say to yourself "Hm, this guy is fulla crap. I can make this thing work"..... most do. Best of luck to you and I hope that works better for you then it did for me, HONESTLY. But if you're experience is anything like mine, within the next two months, you'll be throwin that stuff in the trash and buyin a pressurized CO2 system.

Good Luck!
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post #13 of 13 (permalink) Old 11-02-2007, 06:45 PM
 
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Drop checker is really just a pH checker (liquid) only difference being in water with only carbonate buffers. If you can see the colors of a standard liquid pH test a DC is no different. Good luck.
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