Thanks guys, great answers. I worry that the flow will be reduced too much on the output side of my canister. I don't think it would get that blocked from dirt on the input side, no more than any other part would.
Another question, I don't think we have 1.75 inch pressure pipe here. I can get 50mm, or 30mm, 1.75 inch is about 43mm, we don't have that in Australia. My eheim canister is rated at 1050lph, any ideas on pipe size?
It's actually just basic physics. Gas rises water pressure forced down. The 2 going against each other with enough contact time causes the co2 gas to dissolve in the water and it then will exit the reactor.
You want the co2 inlet just about midwayish down the reactor. To low and the gas will escape into the tank to high not enough contact with the water to dissolve. Length of the reactor and diameter depend on flow of water. More flow larger reactor. I would say 2" at 18" is a good start point for most.
Nope, Rex has been missing for sometime. Last info I had on Rex was health issues caused him to no longer be involved in the hobby. His website will be up til it expires. But no one should try to buy anything from his site as you won't get it.
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Straight should work, but it could depend on the length of the tube and your flowrate. You want contact time with the water and if your flow is too fast and/or the tube too short, you'll end up with bubbles in the tank.
I switched from straight to 90's because the dang thing was so awkward under my stand it kept kinking the tubing, but if you install it wisely, that shouldn't be an issue
Those who believe in telekinetics, raise my hand
What if I built one and left the co2 inlet out of it and just used my up inline diffuser upstream of the reactor??? Would that help it dissolve any better?? I have the inline diffuser now but Im tired of a million little bubbles in my tank lol.
25 gal.-api renastart xp1 anf xp2- 2 custom spraybars with diy inline heater and water change valve (so key!)-odyssea-4x24w t5ho. 4in raised.-injected co2 via up inline diffuser-florite and sane substrate.-java fern-amazon sword-marsilea minuta-water wisteria (crappy)-dwarf hair grass-anubias afanzeli (spellcheck)-telanthera cardinalis-10 tiger barbs-6 glofish tetras-7 otocinclus -1 german blue ram. females died.-2 albino corydoras. I know need 6
ei dosing and 6 hours light 100%