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Old 03-03-2010, 10:18 AM   #31 (permalink)
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Default Re: New to CO2...ready to give up

Well, I am on my third day of steady CO2 and consistent readings so I think we are OK.

Now I have to deal with the other possible repercussions. First my biological filter. Since no one was able to give a definitive answer to if high CO2 will kill the biological filter, I have been testing the HN3 and NO2 along with my normal NO3 and PO4 tests for dosing. My thoughts where is it was dead or dying I would see a spike in one or both. They have been at 0 until today. Ammonia was slightly elevated, ever so slightly, and nitrite was still 0. My Nitrate levels have been a bit lower than normal but I figured that was because of the lack of fish so today I dosed ferts and put a small amount of fish food in the tank for the bio filter to eat. I am not sure when to introduce fish again.

Not sure if that is the right thing to do but again, any help would be greatly appreciated.

Also, I am no getting what looks like Audouinella or beard algae; never had it before. I have had thread algae but that seems to be eradicated. I also had, and still have, GSA and it does not seem to be getting better. I am dosing phosphate from a water test to 1.0. My tank seems to need a lot of it every time I dose which is every other day (I dose Flourish the other days). The plants are holding steady. They are not showing signs of health nor sickness so I am just waiting.

Finally I just want to say thanks again to everyone. This forum has been my only saving grace and the support and advise from you guys saved me from trashing my tank. I have a lot to learn but I have a good resource here.
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Old 03-03-2010, 11:03 AM   #32 (permalink)
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Default Re: New to CO2...ready to give up

I think it's ok to put in fish. If you're getting 2 Ammonia and Nitrite you're ok. With your plants in there it will be fine. Cut back your light a little to get rid of the BBA. A water change will help. You can spot dose with Excell. It will kill it.



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Old 03-03-2010, 11:16 AM   #33 (permalink)
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Default Re: New to CO2...ready to give up

Hi,
I have been messing around with C02 since Dec in two tanks. I'd like to give you a tip
As your tank matures you will no doubt want to trim the plants. If you leave the C02 setting alone you will wind up with too much C02. So be extra careful to monitor around maintenance of the tank.

As far as tubing goes an ex guru here told me to simply change out the silicone tubing once a year. His experience was that the black C02 tubing is rather unflexible. If you are using your cannister filter as a reaction chamber non flexible tubing would be hard to shove up the filters intake tube. However as I think about it, you could simply drill the appropiate size hole into the tube.
Hope this helps you
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Old 03-03-2010, 11:56 AM   #34 (permalink)
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Default Re: New to CO2...ready to give up

For the GSA, dose with PO4 like you are doing. It sounds like you are dosing dry fertilizer. If this is the case do a 50% water change and try adding 1 gram PO4 per every 500 gallons every day (you can use the fertilator to find out how much that is with tsps, etc). Scrape the GSA off every morning also, until you have no more GSA. Once the GSA has dissapeared, it is likely that you will have to continue dosing the PO4 every week at the same amount it took to rid of the GSA.

GSA is caused by high nitrates and low PO4. You can correct it by doing the above (adding PO4), or trying to reduce your NO3.

More on these "imbalances" can be found in the algae threads under a sticky called "Method of Controlled Imbalances".

Glad to hear everything's starting to fall in place!
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Old 03-03-2010, 12:56 PM   #35 (permalink)
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Default Re: New to CO2...ready to give up

Quote:
Originally Posted by Aquaticz View Post
As far as tubing goes an ex guru here told me to simply change out the silicone tubing once a year. His experience was that the black C02 tubing is rather unflexible. If you are using your cannister filter as a reaction chamber non flexible tubing would be hard to shove up the filters intake tube. However as I think about it, you could simply drill the appropiate size hole into the tube.
Hope this helps you
I was told that injecting CO2 into a canister filter is bad for the filter, it that correct. I think he mentioned high CO2 could mess up the seals and o-rings. With what it does to normal airline, I am inclined to believe this, can someone confirm?

Quote:
Originally Posted by flashbang009 View Post
For the GSA, dose with PO4 like you are doing. It sounds like you are dosing dry fertilizer. If this is the case do a 50% water change and try adding 1 gram PO4 per every 500 gallons every day (you can use the fertilator to find out how much that is with tsps, etc). Scrape the GSA off every morning also, until you have no more GSA. Once the GSA has dissapeared, it is likely that you will have to continue dosing the PO4 every week at the same amount it took to rid of the GSA.

GSA is caused by high nitrates and low PO4. You can correct it by doing the above (adding PO4), or trying to reduce your NO3.

More on these "imbalances" can be found in the algae threads under a sticky called "Method of Controlled Imbalances".

Glad to hear everything's starting to fall in place!
I am dosing liquid fert, it is Seachem nitrates, phosphates and potassium. I guess I will just up my phosphate levels and limit the lights to 8 hours for now. I can scrape the GSA off of everything but the plant leaves, it wont come off of them. Should I snip them or will it disappear with higher PO4?

I think the "balance" is off because of no fish. Do you think I am OK adding fish back now? I feel like I should get the levels balanced before I do but I am sure they will change again with fish. I am kinda gun shy. lol
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Old 03-03-2010, 01:54 PM   #36 (permalink)
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Default Re: New to CO2...ready to give up

Unless you add a lot of fish, they shouldn't change those levels too much. Nitrate maybe, but not too bad. I would wait to get your levels right. You have to be very careful with upping phosphate, it can do some nasty stuff if you aren't careful. You might try posting in the Method of controlled imbalances thread and ask him what you should do if you're using seachem's phosphate.

Easiest thing might be dropping the amount of nitrate's you're adding. How long has the tank been set up?
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Old 03-03-2010, 02:15 PM   #37 (permalink)
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Default Re: New to CO2...ready to give up

I'll drop a line into that thread. I started reading it and it was one of the most confusing things I have read in some time. lol. It was talking about using potassium nitrate if I am not mistaken. I don't know where I would even get such a thing. I imagine I will end up on some watch list if I order it online.

I had no idea this hobby would be so complicated. I mean I knew it was gonna be a lot of work but I feel as though I should be a chemist or something...sheesh.

My tank has been setup for about 7 weeks and fish and plants for about 4. My tank is a 20 gal and it was heavily planted. I have thinned it out some removing the ground cover I had because it was collecting slime and algae and began to suffer. I also had some rotala wallachii die I think from lack of CO2 when I was using that yeast crap; it got thread algae in it bad. Everything else is doing OK...still alive that is. I do have a klener bar that is really thriving.
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Old 03-03-2010, 03:26 PM   #38 (permalink)
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Default Re: New to CO2...ready to give up

Haha, that thread can be confusing. The last page or two is the full instructions, not just summaries here or there. The potassium nitrate is actually a very common form of nitrate/potassium that aquarists use. This can be found at www.aquariumfertilizer.com You don't have to use it, but its just another fertilizing option.

This hobby is all what you make it i've found. You don't have to use complicated chemicals and such if you don't want to. You've already got the liquid fertilizer, so you might as well continue with that. Correct the ratios if they're out of whack and you should be algae free. Flow is also an algae inducer. If you don't have good circulation/flow, you can run into algae problems.
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Old 03-08-2010, 05:01 AM   #39 (permalink)
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Default Re: New to CO2...ready to give up

Wow...
I've read all this after setting up yeast and sugar in a 2 liter bottle and feeding it into an auxiliary output on a filter powerhead. It's airtight, lets out a spritz of pure co2 every 20 seconds or so. It's a 100 gal tank. Plants are common: Amazon sword, pygmy sword, ludwigia, hornwort, java fern, a red, broader-leaf sword, giant anubias, and heteranthera. All seem to be showing robust improvement after 2 days. Maybe coincidence, but I was astounded by the anubias, which had sat dormant for a week after planting it. After rigging co2, three fat new leaf-rolls appeared the next day.

I'm running 28 celsius This is hot, I know, but it's a new setup and the heat will aid the cycling and bring out any ich I've might have brought in with the plants. Brown algae seems to have passed its peak. I've got a single 2" black moor to test for overdosing co2 and indicate ich that might have hitchhiked on a new plant. Some may call this cruel, but I bought him from a chinese street vender for $0.50 US, and right now he's living it up better than he ever could in some kid's goldfish bowl. He's not bothered by the heat one bit, either, or the high co2 environment.

Overall, I'm happy with this cheap setup. Comments?
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Old 03-08-2010, 07:13 AM   #40 (permalink)
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Default Re: New to CO2...ready to give up

Well if its working for you your all set. If you haven't I would test for co2 levels to see if it really is putting out enough because I only had a 20 gal and my ph never changed on a yeast setup. I also have a few more high maintenance plants but overall if yeast works for you, then keep it.
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