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Old 12-31-2017, 06:05 AM   #1 (permalink)
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Default CO2 set up?

I have 2 tanks a 55g and a 29g and they have been running since last April.They both seem to be doing OK but the 29 is not doing as well.The 55 has a Coral Life T5HO fixture with 2 6500K bulbs.The filter on this tank is a Penn Plax 1500 canister and a Hydro 1V sponge filter.The 29 has a Finnex + 24/7 LED fixture along with the same sponge filter the 55g has.For the last 5 months, I have been dosing them both with a macro/micro combination mix an Excel twice a week.The 29 seem to have some BBA and the growth is not as good and I was wondering if I started dosing CO2 on that tank perhaps that may help.Both tanks have low tech plants, Amazon Swords, Crypt, Anbius, Java Ferns etc. I watched a youtube video on setting one of the setups with drink bottles and it can be done for just a few dollars.
Also, I run the lights for 8 hours a day, 4hrs on 4hrs off. Any advice would be greatly appreciated, thanks.
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Last edited by Letsfish; 12-31-2017 at 06:25 AM..
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Old 12-31-2017, 05:36 PM   #2 (permalink)
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Default Re: CO2 set up?

Are you using pressurized CO2, regulator, needle valve, etc., or are you using a DIY CO2 system, yeast/sugar water or citric acid/baking soda? How are you adjusting the CO2 to get the right amount in the water?
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Old 01-01-2018, 05:54 AM   #3 (permalink)
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Default Re: CO2 set up?

I`m not using anything yet, I don`t know anything about setting up a system. I am just looking for some advice and the 2 bottle system appears to be the cheapest way to do it. As far as the ingredients go and what else is needed after the mixture of CO2 leaves the bottles I am not sure. I will be using it on my 29g tank. I forgot to mention that tank has an AC70 filter along with the sponge.
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Old 01-01-2018, 06:17 AM   #4 (permalink)
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Default Re: CO2 set up?

DIY co2 is kind of a pain and never really very constant. I would treat the algae with some h202 and them reduce the light period. See if that works.
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Old 01-01-2018, 06:47 AM   #5 (permalink)
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Default Re: CO2 set up?

That Coralife T5HO light, on a 18 inch high tank, gives you about 35 PAR lighting, low light, but plenty of light for low light plants. With that light you don't need a lot of CO2 to get a big benefit from it. I ran a tank with that much light, with DIY CO2 and Excel, as described in https://www.aquaticplantcentral.com/f...-diy-co2.html# and it worked very well for me. No BBA algae problems.
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Old 01-01-2018, 07:02 AM   #6 (permalink)
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Default Re: CO2 set up?

That explains why I never could get any plants with red in them to work.I never knew what the PAR value was in that tank until now.The 29 has the Finnex 24/7 on it be I don`t run the 24 hr.cycle, maybe I will try doing that for a while, it can`t hurt, I hope it doesn`t confuse the neighbors in the 55g which sits right next to it. Sometimes when I do my weekly water change I will spray the exposed leaves in the 29g with H2O2, so I will do this from now on when I change the water.
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Old 01-02-2018, 10:42 PM   #7 (permalink)
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Default Re: CO2 set up?

Here is a guide for planted tank co2 system setup. Hope it can help you.
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Old 01-03-2018, 07:51 AM   #8 (permalink)
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Default Re: CO2 set up?

Quote:
Originally Posted by supperfish View Post
Here is a guide for planted tank co2 system setup. Hope it can help you.
Thanks!!
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Old 02-17-2018, 10:54 AM   #9 (permalink)
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Default Re: CO2 set up?

I have decided to build a pressurized CO2 set up. I got a very good deal on a Harris 2 stage regulator and I am in the process of getting the rest of the parts together.I going to service both tanks so I will split this after the solenoid and use 2 Fabco NV 55-18 needle valves one for each tank.The BBA in my 29 was so bad it looked like there was charcoal on the leaves so I gave it a shave and a haircut, reduced the lighting schedule and was double dosing it with Excel. I found a place just a few miles from my home where I can get a CO2 tank refilled so I purchased a new 10# aluminium tank online.Now I am just waiting for all the stuff to show up.
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Old 02-17-2018, 12:41 PM   #10 (permalink)
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Default Re: CO2 set up?

Congratulations! I'm betting you will never regret this.
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