JayP
Valuable Member
Lookin good, but that's a lot of pipes for a 22g tank. 
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I have one of those and one of the ARC vertical reactors. I used the ARC model on my first 90P tank and it worked just fine, with just a couple disadvantages over the Yugang style. First, it is still up to you and your co2 regulator to insure you don't gas your livestock, as this reactor has no "overflow mode" safeguard. Second, to one of your questions, yes, you should fill it completely and purge air, but over time, just like a horizontal reactor, a co2 pocket will form at the top. In the case of a vertical reactor though, that co2 pocket will result in a gurgling sound which can become annoying. The only way to mitigate it is to tee off to a gas purge line with valve and open the valve every now and then to purge the co2 pocket. Also, with this style reactor, it's better to have strong flow going into it rather than the more calm flow you want through a Yugang. because its that turbulence that helps break up and dissolve the co2. The only other disadvantage is that it takes up valuable floor space in the stand. It's easier to mount a horizontal reactor out of the way.Took the plunge and bought one of the generic co2 reactors ($22) because why not. I’ve never run one before and wanted a comparison when using it as intended (vertical) and then horizontal. Are these supposed to be filled entirely when operating or partially full? I filled it entirely and am letting the co2 pocket form below the lid. Between the vortex created by the outflow and the surface area it’s been working rather well. I do not have data via ph monitor or anything so I mostly just read my plants/tank. Plan is to run this for a few months and then swap it over to a horizontal à la @Naturescapes_Rocco style. I removed my inline diffuser and am running the co2 straight to the chamber, but I’m considering reinstalling it prior to the rector and having it mix the mist, and having whatever co2 gets stuck create a little surface area pocket up top to continue the gas exchange. Please feel free to chime in on my internal dialogue here.










currently how many species are there in Murdannia genus that is submersible?Since the tank looks basically the same as it did yesterday, I’ll share the development of a few local aquatics I’ve been testing for aquarium suitability.
Murdannia spirata. Pretty prevalent in the lower southeast United States in wet areas. Very weedy. It’s not native, like most of the Commelinaceae family, albeit some notables (Commelina erecta, and a few Tradescantia sp.).
Submersed, it grows strictly erect, branching moderately with the clasping leaves emerging in this graceful alternating spiral spires. Color is a pale, almost matte green, accented by longitudinal textured stripes that run from leaf apex to node. The texture gives it an almost iridescent sheen, falling somewhere in the silver spectrum, reminiscent of some terrestrial orchids.
Not particularly difficult to grow, stays where its put. Tolerant of every temperature I’ve thrown at it, similar with co2 and nutrient levels. Not surprising, given its borderline invasive tendencies. It’s very well behaved underwater, and I hope to see it utilized in something meaningful.
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These are not the greatest showcase photos, but they’re reasonably representative of what to expect. Will update periodically as the opportunities present.
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currently how many species are there in Murdannia genus that is submersible?





Yeah, purchased some of those black/silver check valves early on from Amazon and they all failed rather quickly. It's been posted here before that the Mur-Lok check valves are rock solid. I didn't buy those because they're quite expensive for what they are, but I bought some clones of the Mur-Loks and they haven't failed me yet.Alright so I wouldn’t trust the check valve supplied with the reactor. Came home to a blue drop checker and an obviously distressed tank. Diagnosed to the provided plastic check valve.
Mur-Lok check valves are rock solid. I didn't buy those because they're quite expensive for what they are

Limnophila hippuridoides?