Anyone have experience with diy co2 on 125 gallon? - The Planted Tank Forum
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post #1 of 16 (permalink) Old 03-10-2015, 07:35 PM Thread Starter
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Anyone have experience with diy co2 on 125 gallon?

I'm a complete newbie. Just beginning to grow plants in my 125 gallon tank but am not too sure on how to go about making a diy co2 setup for a tank this large. Or for any size tank for that matter lol

Anyways I saw a video on YouTube where someone used a 5 gallon jug instead of a 2 liter soda bottle. I was just curious if anyone had any experience with this. If so what was your outcome? How much did the setup cost? I don't have hundreds of dollars to spend on a pressurized system so I'm hoping the diy method will work on a 125 gallon.

Also can anyone give me a list of all materials needed to get set up?

Thank you
Stephanie
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post #2 of 16 (permalink) Old 03-10-2015, 07:41 PM
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Hi St3,

I think as a general rule DIY isn't recommended for tanks over 20g.

For a tank that size it would actually save you $ & lots of time to just get a pressurized system.

I haven't priced out too many, but i think you can build one for $100 (+/-).

Welcome aboard! Lots of great info here...

Last edited by leemacnyc; 03-10-2015 at 07:43 PM. Reason: sp
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post #3 of 16 (permalink) Old 03-10-2015, 08:08 PM Thread Starter
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I would have to get something super cheap. Cant really afford to spend hundreds of dollars on this that's why i figured diy with a 5 gallon jug. I don't even know all the equipment I would need or anything at all really about co2. I've been trying to read up on it but it's all pretty confusing to me :/
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post #4 of 16 (permalink) Old 03-10-2015, 08:29 PM
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I just picked up an Aquatek Mini for my 10g. I had been running DIY for years on it. The thing is with DIY the amount of C02 fluctuates considerably, which is not good. The pressurized route can be daunting, but if you just get a complete unit (http://aquatek-california.com/co2-re...#single-outlet) there isn't much more you would have to do except get a Co2 tank and you're good to go. For a few months until you would have to refill.
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post #5 of 16 (permalink) Old 03-10-2015, 08:39 PM Thread Starter
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Still can't spend that much at the moment
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post #6 of 16 (permalink) Old 03-10-2015, 08:44 PM
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The costs of all that sugar you will go through really will add up for a tank that size.
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post #7 of 16 (permalink) Old 03-10-2015, 08:56 PM Thread Starter
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Yea I guess so ... well I probably will have to hold off on co2 then ... just hope my plants will be ok with that.
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post #8 of 16 (permalink) Old 03-11-2015, 01:34 PM
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You will easily spend a $100 if you hope to have any sort of adequate co2. Just get something that doesnt need it for now like ferns and moss. You can get custom buit regulators on the swap and shop for around $200 most of the time and usually they are gonna be better and cheaper than trying to buy one from a commercial source. Just save your money and it will come quicker than you think. Once you are set up you can quickly recoup the costs by farming some plants in a tank that size. Good luck.

P.s. if you ever do diy co2 I would stick to 2 or 3 liter bottles and simply use more bottles. The bigger containers dont really end up being advantageous.


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post #9 of 16 (permalink) Old 03-13-2015, 05:05 PM Thread Starter
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Should I just dose with api co2 booster until I can get a co2 system? I know it's not quite the same but would it help the plants more at least keeping them alive and in decent condition until I can get a pressurized system?
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post #10 of 16 (permalink) Old 03-13-2015, 06:14 PM
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Your plants will be fine. Depending on your lights and ferts its algae you have to worry about.
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post #11 of 16 (permalink) Old 03-13-2015, 06:23 PM Thread Starter
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My lighting is medium/medium high I think (4x80watt t5ho 2 are 10000k and the other 2 are actinic blue) and I'm dosing seachem flourish twice a week. I do have brown algae that is starting to take over. Would the api co2 booster help the plants suck up more nutrients and cut back the algae growth?
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post #12 of 16 (permalink) Old 03-13-2015, 07:15 PM
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Originally Posted by st3phaniex3 View Post
Should I just dose with api co2 booster until I can get a co2 system? I know it's not quite the same but would it help the plants more at least keeping them alive and in decent condition until I can get a pressurized system?
Yes, you can do this, though ultimately, it will also become quite expensive.

For a slightly cheaper alternative, you may want to look into generic glutaraldehyde instead.

Anthony


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post #13 of 16 (permalink) Old 03-13-2015, 07:20 PM Thread Starter
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Lol never heard of it but I will definitely check it out!!

Any idea what brand of glutaraldehyde to use?

Last edited by Darkblade48; 03-14-2015 at 08:06 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #14 of 16 (permalink) Old 03-14-2015, 08:06 AM
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Lol never heard of it but I will definitely check it out!!

Any idea what brand of glutaraldehyde to use?
Many people use Metricide with success.

Note that you will not need the smaller activator bottle that is included with it.

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post #15 of 16 (permalink) Old 03-14-2015, 08:19 AM
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just use the 2 litre soda version and use a co2 reactor to make sure its 100 % dissolved rate , some artificial co2 added is better then no co2
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