Co2 Booster or the real thing - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 06-26-2016, 08:52 PM Thread Starter
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Co2 Booster or the real thing

I have begun a 75 gal. planted tank and have plants going. I still wonder about having additional (helps) good plant growth or take it the slow way? I've read once you begin to use C02 booster (liquid) you have to continue it? maybe it is somewhat cost prohibitive in a 75 gal doing it that way anyway. . . or do I consider to jump in and add some kind of mechanized system now at this juncture. I'd love to see the plants do more but also need to have them kind of sparse anyway I suppose as I intend eventually to have discus as my main fish. Any suggestions? recommendations? Thanks
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post #2 of 6 (permalink) Old 06-27-2016, 05:44 AM
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If you use a CO2 booster (essentially glutaraldehyde), you will need to dose it everyday for it to be beneficial to plants. You can, of course, stop it if you wish as well.

However, for a large aquarium such as yours, it would be quite cost prohibitive, and I would go for a pressurized CO2 system instead.

Anthony


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post #3 of 6 (permalink) Old 06-29-2016, 04:02 AM Thread Starter
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Yes, I am looking into a pressurized system. I've read C02 will change the pH of the water. How much and would I still be able to keep discus along with C02 use. My pH is around 7.2 I think? Also can you recommend a good system with selenoid etc. I also have a Aquatop CF 400 UV canister filter and not sure I can add an inline C02 without damaging the filter? lots of questions here. Hope to resolve.
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post #4 of 6 (permalink) Old 06-29-2016, 08:36 AM
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Yes, CO2 will change the pH of the water slightly, depending on how much is dissolved. The more CO2 there is dissolved, the lower the pH will be (to a certain extent). We generally aim for approximately 30 ppm of CO2 in the water, which corresponds (approximately) to a 1 point drop in pH.

If you are keeping Discus, you should still be able to inject CO2, though you may want to have the CO2 a bit lower if you are keeping particularly sensitive fish.

Regarding systems, you can go with the DIY route (assembling your own setup from parts), or, you can pay for a complete setup (at a premium). If you want more information regarding pressurized CO2 and the parts you require for assembling your own setup, please take a look at my Primer to Pressurized CO2 (linked in my signature below).

For the inline CO2 reactor/diffuser, you can use it with your filter.

Anthony


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post #5 of 6 (permalink) Old 06-29-2016, 09:32 AM
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The results from a liquid carbon supplement are nowhere close to the real thing, but from personal experience, it definitely has a very positive effect. Sort of a middle ground between real CO2 and none at all.

If you decide to go the liquid route, Metricide (gluteraldehyde) is exponentially cheaper than an aquarium brand like Excel. It is the same thing, only stronger. Approximately 6 Ml of Metricide = 10 Ml Excel.

Here is a gallon for $30, also comes in quarts for (I think) about $20.

https://www.amazon.com/Metrex-Metric.../dp/B0015TDIOU

** Ignore the instructions and do not use the little packet of activator that comes with it. That is for using as a sterilizing agent, and also where the "14 day" thing comes into play. Ignore all that. Toss the activator and use the liquid by itself, just the way it comes. It will last indefinitely (as long as it's not exposed to light)


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post #6 of 6 (permalink) Old 06-29-2016, 09:52 AM
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You can have a nice tank without co2 or glut - chose the plants that will do well in your environment. Decide what is more important to you: is it lush growth, healthy fish, money, or time.

It is hard to have it all but you can find your own golden middle. My personal advise is to read up on Discus, read other people's journals in Low Tech section of TPT. Some planning will save you a lot of heartache down the line.
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