ugh.. times like this make me wanna. - The Planted Tank Forum
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post #1 of 21 (permalink) Old 11-03-2006, 09:04 PM Thread Starter
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ugh.. times like this make me wanna.

go all goldfish..

my stupid co2 thing!!! it is starting to be dumb again!!! it is not puttign out co2 bubles intot he reactor.. !!! ugh!!

anyway.. now i feel like investing money into some pressurized...what do i need..
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post #2 of 21 (permalink) Old 11-03-2006, 09:17 PM
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how old is it (its DIY right)?


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post #3 of 21 (permalink) Old 11-03-2006, 09:51 PM
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Go for pressurized. Everyone told me it's not cost effective for a 20 gallon. I did it a month ago, and now the tank maintenance has dropped down to just dosing ferts and changing the water (I have mostly slow growing plants in it). Worth every penny in my opinion.

Edit: Should have said everyone "locally". Everyone here at PT told me to go for it.

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post #4 of 21 (permalink) Old 11-03-2006, 10:57 PM
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Minimum needed for pressurized CO2.

Cylinder
Regulator
Needle valve
Tubing
Check valve
Diffusion method.

You can also add a solenoid to control the CO2 flow via a timer or pH monitor. And depending on your diffusion method you might need/want a bubble counter.
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post #5 of 21 (permalink) Old 11-04-2006, 12:41 AM
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even if it costs more over time, just not having the hassle of changing the solutions or worrying about do you have enough co2 is totally worth the expense. You should be able to get everything for around $150. Nice thing is that if you're short on funds you can get one piece at a time and not strain your wallet too bad. Plus, xmas is coming up so you can always ask santa for co2 parts...
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post #6 of 21 (permalink) Old 11-04-2006, 12:45 AM
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Yep. Went with pressurized for my two 10 gallon tanks. Wow is all I can say.
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post #7 of 21 (permalink) Old 11-04-2006, 01:31 AM
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Quote:
Originally Posted by epicfish View Post
Yep. Went with pressurized for my two 10 gallon tanks. Wow is all I can say.
Ditto! I have pressurized on my 10 and 15 gallon tanks. It's so much easier than DIY CO2.
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post #8 of 21 (permalink) Old 11-04-2006, 03:09 AM
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Go pressurized. It is SOOOO worth it! I fumbled around with DIY Co2 when I first got into planted tanks years ago and was changing yeast & sugar every week or so. Then, I went pressurized and even though my planted tank is only a 20g, it cuts way down on maintenance and the Co2 injection is more steady and there's more of it --- faster growing, healthier plants and less algae. The initial cost can be a little much, but its not one of those things that you'll be replacing parts on all the time (let's hope!). The 10 lb tank on my 20g has been going for 1 1/2 yrs+ since the last fill-up. I run it at about 1-2 bubbles/sec for 12 hrs/day.

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post #9 of 21 (permalink) Old 11-04-2006, 11:43 PM Thread Starter
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okay I see.. Rex.. you have all that stuff for cheap right? how do i order?

does nayone know where I can get a cyclinder and a place tog et it filled near Annapolis?
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post #10 of 21 (permalink) Old 11-04-2006, 11:58 PM
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I just ordered a 10LB tank and regulator from this place...
Co2 Air Aluminum Tanks for Keg Beer Systems | BeverageFactory.com

I was very satisfied with there service.

As for filling, do a search on fire extinguisher stores in your area, they will be one of the cheaper places to have it filled.
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post #11 of 21 (permalink) Old 11-05-2006, 12:06 AM Thread Starter
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that a good price on those things?

and is Rex.s$136 thign everythign that one needs minus the cyclinder? and what is this "end of tank dump" that i hear about alot?
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post #12 of 21 (permalink) Old 11-05-2006, 12:09 AM
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$137 shipped is the cost of the regulator with check valve and 10' of tubing. It does not include a bubble counter. I can build you a DIY bubble counter if you want.

End of tank dump is something that can happen when the cylinder runs out of liquid CO2 which causes a pressure rise on the regulator which causes the regulator to output more gas than normal.

If your tank is 20 gallons or less the LPR also helps set lower bubble rates. The price above does not include the LPR.
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post #13 of 21 (permalink) Old 11-05-2006, 12:24 AM Thread Starter
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well.. if I wanted an "everything but cylinder and diffuser" what would it cost? and my tank is a 72 gallon. what is a good BPS rate and what lb. cyclinder? how long would it last?
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post #14 of 21 (permalink) Old 11-05-2006, 12:36 AM
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$140 for a regulator as described on my site with a bubble counter.

Bubble rate is going to depend on a LOT of factors. But I would guess 2 bps is a good starting point.

I would get the largest cylinder you can fit under your stand. If you want to place it outside the stand then get the largest you care to look at. That would normally be a 20 lb. And a 20 lb will last you better than a year barring leaks.
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post #15 of 21 (permalink) Old 11-05-2006, 01:17 AM Thread Starter
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leaks?

where cna i get a decent..yet cheap 20 lb then?
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