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#1
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CO2 injection with a "waterfall" filter
Hello
I'm using a Penguin Mini Bio-Wheel on my 5.5 gal tank (one betta, three pristellas). Recently I added some plants to the tank. Initially I put there some cryptocorinas and an amazon sword, which seem to be doing very well. (Amazon sword quickly put out two large "submersed" leaves and more are coming.) Later I attached a small anubias to a piece of african wood that I had for a while, and also planted several strands of glossostigma in the gravel (this one, as I heard, is very demanding and high-maitenance, so I'll probably end up replacing it with something else later). Now I'm thinking about trying some DIY CO2 injection, since things seem to be slowing down (I'm thinking about maybe using that Hagen's Nutrafin bubble counter with a homemade CO2 source). However, I have some doubts about whether the whole thing makes any sense as long as I'm using the aforementioned filter. The filter's outlet is pretty much a waterfall and it provides some rather intensive surface agitation, which will lead to CO2 escaping from the water. Do you think that it will boil out so much dissolved CO2 so quickly that the entire injection setup will have no positive effect on plant growth at all? -- Best regards, Andrey Tarasevich |
#2
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CO2 injection with a "waterfall" filter
Andrey Tarasevich wrote:
Hello I'm using a Penguin Mini Bio-Wheel on my 5.5 gal tank (one betta, three pristellas). Now I'm thinking about trying some DIY CO2 injection, since things seem to be slowing down (I'm thinking about maybe using that Hagen's Nutrafin bubble counter with a homemade CO2 source). However, I have some doubts about whether the whole thing makes any sense as long as I'm using the aforementioned filter. The filter's outlet is pretty much a waterfall and it provides some rather intensive surface agitation, which will lead to CO2 escaping from the water. Your suspicion is correct. When I replaced a biowheel with a canister filter, I was able to reduce my pressurized CO2 bubble rate from 120 per minute down to 45 per minute and keep CO2 concentration the same. Since DIY CO2 output is fixed, you will be losing a lot of CO2 with that filter. |
#3
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CO2 injection with a "waterfall" filter
Sure lots will be lost, but I see it works pretty well for me.. I use a
soda bottle DIY CO2 into a 35 gal. with about 2wpg and a new 22 gal with 3wpg and there's constant pearling in the 22 gal tank. Note that the 22 gal has a penguin 170 with a bio wheel also and the co2 running into the intake of the filter. This chops the bubbles up and helps dissolve it into the water. I think with such a small tank, any injected CO2 will make a difference. I'd try a small 20oz soda bottle and run the tube into the input of the filter. I mean, it's worth a shot, right? If you don't like it, you're out the cost of a soda, a packet of yeast and some sugar. Andrey Tarasevich wrote: Hello I'm using a Penguin Mini Bio-Wheel on my 5.5 gal tank (one betta, three pristellas). Recently I added some plants to the tank. Initially I put there some cryptocorinas and an amazon sword, which seem to be doing very well. (Amazon sword quickly put out two large "submersed" leaves and more are coming.) Later I attached a small anubias to a piece of african wood that I had for a while, and also planted several strands of glossostigma in the gravel (this one, as I heard, is very demanding and high-maitenance, so I'll probably end up replacing it with something else later). Now I'm thinking about trying some DIY CO2 injection, since things seem to be slowing down (I'm thinking about maybe using that Hagen's Nutrafin bubble counter with a homemade CO2 source). However, I have some doubts about whether the whole thing makes any sense as long as I'm using the aforementioned filter. The filter's outlet is pretty much a waterfall and it provides some rather intensive surface agitation, which will lead to CO2 escaping from the water. Do you think that it will boil out so much dissolved CO2 so quickly that the entire injection setup will have no positive effect on plant growth at all? |
#4
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CO2 injection with a "waterfall" filter
Andrey Tarasevich wrote:
Hello I'm using a Penguin Mini Bio-Wheel on my 5.5 gal tank (one betta, three pristellas). Now I'm thinking about trying some DIY CO2 injection, since things seem to be slowing down (I'm thinking about maybe using that Hagen's Nutrafin bubble counter with a homemade CO2 source). However, I have some doubts about whether the whole thing makes any sense as long as I'm using the aforementioned filter. The filter's outlet is pretty much a waterfall and it provides some rather intensive surface agitation, which will lead to CO2 escaping from the water. Your suspicion is correct. When I replaced a biowheel with a canister filter, I was able to reduce my pressurized CO2 bubble rate from 120 per minute down to 45 per minute and keep CO2 concentration the same. Since DIY CO2 output is fixed, you will be losing a lot of CO2 with that filter. |
#5
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CO2 injection with a "waterfall" filter
Sure lots will be lost, but I see it works pretty well for me.. I use a
soda bottle DIY CO2 into a 35 gal. with about 2wpg and a new 22 gal with 3wpg and there's constant pearling in the 22 gal tank. Note that the 22 gal has a penguin 170 with a bio wheel also and the co2 running into the intake of the filter. This chops the bubbles up and helps dissolve it into the water. I think with such a small tank, any injected CO2 will make a difference. I'd try a small 20oz soda bottle and run the tube into the input of the filter. I mean, it's worth a shot, right? If you don't like it, you're out the cost of a soda, a packet of yeast and some sugar. Andrey Tarasevich wrote: Hello I'm using a Penguin Mini Bio-Wheel on my 5.5 gal tank (one betta, three pristellas). Recently I added some plants to the tank. Initially I put there some cryptocorinas and an amazon sword, which seem to be doing very well. (Amazon sword quickly put out two large "submersed" leaves and more are coming.) Later I attached a small anubias to a piece of african wood that I had for a while, and also planted several strands of glossostigma in the gravel (this one, as I heard, is very demanding and high-maitenance, so I'll probably end up replacing it with something else later). Now I'm thinking about trying some DIY CO2 injection, since things seem to be slowing down (I'm thinking about maybe using that Hagen's Nutrafin bubble counter with a homemade CO2 source). However, I have some doubts about whether the whole thing makes any sense as long as I'm using the aforementioned filter. The filter's outlet is pretty much a waterfall and it provides some rather intensive surface agitation, which will lead to CO2 escaping from the water. Do you think that it will boil out so much dissolved CO2 so quickly that the entire injection setup will have no positive effect on plant growth at all? |
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