http://www.aquariumplants.com/product_p/pr374.htm
I use this reactor. It works great, inexpensive and can be used with pressurizd or DIY.
Blue
Looks nearly identical to the DIY reactor I made out of a powerhead and gravel vac.
http://www.aquariumplants.com/product_p/pr374.htm
I use this reactor. It works great, inexpensive and can be used with pressurizd or DIY.
Blue
Interesting.Dissolved CO2 breaks down to Carbonic Acid which can rot the impellar; but for just now it works well for me
I personally use a segment of wooden chopstick stuck into the end of the silicon tube, and I find it makes quite fine bubbles. I then place the output under my filter output so the bubbles get blown across the tank.