getting fed up with DIY CO2...

Mellow, I have two of the Hagen (It's really Nutrafin on the box) and they work great for me. Since you are really looking for a good cannister for the CO2, I highly recommend the Hagen/Nutrafin one, as it is very solid and no mess. You can get this system online for ~$20+ship and at a local PetSmart (with a printout of the PetSmart web price) for $29.99.
 
thanks for the feedback. I've never seen a wood airstone... reybie, your link went to driftwood, can you reccomend a wooden airstone?

goefied and all, you reccomend the hagen over the turbo co2 bio system? I like the hagen better because it has bo powerhead, but it still uses sugar... wondering if the other does too.
 
Drill your bottle cap hole a lot smaller than your (Co2 proof) air hose. Cut your hose at an angle and pull it through the hole with tweezers. Seal around it with silicone. If your hole is small enough you won't even need the glue. I use it just for that extra measure.

I bought one of these: http://cgi.ebay.com/Rhinox-1000-Jap...hZ015QQcategoryZ66794QQtcZphotoQQcmdZViewItem
I made them an offer for 8 dollars and they accepted it. It took a while to ship, but it's worth it.

This all works great for me. I have yet to encounter any problems.

good luck
 
mellowvision said:
thanks for the feedback. I've never seen a wood airstone... reybie, your link went to driftwood, can you reccomend a wooden airstone?

goefied and all, you reccomend the hagen over the turbo co2 bio system? I like the hagen better because it has bo powerhead, but it still uses sugar... wondering if the other does too.
Click to expand...

It's either going to be yeast and sugar or pressurized liquid CO2, there's the fizz tablets but I highly doubt they are anywhere close to adequate compared to sugar.

I like the Hagen for a yeast system, the ladder diffuser/bubble counter works well for the low bubble rate and kind cool to watch.
 
I would love to be able to go pressurized, but I live in tight quarters and have a relatively small tank. I also know delivery would be a pain and expensive, and I don't have the cash for the initial investment.... I like the hagen canister, have looked at one now. their bubble counter is a nice indication of it working too... but I was hoping to keep the in tank plastics to a minimum, I am trying to have it look as natural as possible, and it's getting there. I am also limited with tank-wall space, as my tank is visible from 3 sides, so the "back" is the small, left side... which also happens to be the otos favorite spot for some reason...

all in all, if I could choose based on looks alone, I'd go for the hagen canister with a glass diffuser and be done... or better, run the co2 directly into my intake, but that gives me no visual indication of it's rate, and when I tried it last, it made the eheim 2213 gurgle a bit. the airstone into the intake didn't seem to really work well most of it missed the intake. plus, my water return uses a log as a water fall/flume, so I think the co2 would be lost more rapidly.

great feedback so far, thanks a lot. a question, has anyone used the glass diffusers with the Hagen system? also, does the hagen let you adjust the flow or does it just count bubbles?
 
Using the small hole method works every time. Every DIY bottle I have every built used that method. Along with all my DIY reactors and bubble counters. That makes about 200 pieces of equipment using the small hole method. And there is no reason when you do it right to use any kind of sealant.

The right tubing helps a lot also. Silicone is a poor choice.
 
The hagen ladder has notches down its side where you can place the Co2 output, the lower down the ladder you place the output the more CO2 will be diffused. Quite frankly, the CO2 generated from a yeast system is low so I don't see the point in setting it up for lower CO2 diffusion.

I don't like to use glass diffusers with a yeast system. Yeast systems are known to form a gelatinous gunk around the output and can reduce the effectiveness or clog a glass diffuser.
 
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