Tropical Fish Keeping - Aquarium fish care and resources

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englandbloke 03-25-2007 01:14 PM

260 lt tank and co2 sytem
i wanna get a co2 system for my tank which is 260lt, but i aint gonna be able to get 1 for a while proberly. so gonna give a go at making one untill i can buy a proper one,but my question is will it be worth it. or shall i just wait untill i got the money to buy one

Lupin 03-26-2007 02:26 AM

A DIY is not sufficient enough to accommodate a 260 liters tank. I would rather wait but that's my opinion.:)

Andrew 03-26-2007 05:10 PM

i would encourage you to make one, it will cost you very little and despite the small output it will help your tank.
It will also help you in your understanding ofof CO2 and its effect on water chemistry!

englandbloke 03-27-2007 10:59 AM

i thought i could always double the amount i put in a bottle or have more then 1 i spose. cheers anyway

fish_4_all 03-27-2007 01:05 PM

At about 70 gallon I would say that you could put 6 2 liter bottles, 3 in tandem in two different sets, on it to produce enough to have an effect and to keep levels fairly even. The real key is to make sure your levels stay steady, if you can manage that then you are well on your way to understanding CO2 and how much it will help. When I used DIY CO2 my plants loved it but so did the algae because I couldn't keep the levels steady. I always fluctuated between 20 and 50ppm because of the uncontrollable production rates. I know some that make it work very well but I just couldn't get it to work for me. Too cold here most of the time.

Make sure to get it diffused the best you can with either a powerhead or an inline diffusor on a canister filter.

solareclipsed 03-27-2007 01:45 PM

I have an airstone under the intake of my canister filter intake and it seems to not be doing a well enough job of processing it. Every couple of hours my canister lets out a big burst of air bubbles like the co2 is just going in the canister and getting stuck until it finally pushes it out. I think I am going to end up doing mine different unless someone can tell me what I am doing wrong.

fish_4_all 03-27-2007 01:54 PM

The only thing I have seen to help break up the bubble sin a canister is to add some bioballs to the circulation chamber. This breaks up the bublles smaller so they have more surface area contact with the water and dissolve better. An inline diffusor would do the same thing but should keep the CO2 from collecting so much that it needs to escape.

solareclipsed 03-27-2007 02:53 PM

will the buildup in the canister filter hurt the pump in the filter or anything. If not I am not going to worry about it. I usually rock the canister filter back and forth about every other day to get all excess air out of it and seems to be running fine.

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