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It’s UV exposure- intensity level (watts) x seconds exposed (inverse of gph). So having them in series means twice the exposure, the equivalent of running half the flow rate (like Randy said). That said, having them in parallel is probably just about as good since on average you’ll be delivering...

Sorry I don’t have anything useful to add in the electrical engineering department. But for me the takeaway is that you unfortunately are having to deal with crappy products and apparently no manufacturer support and I should stay away from the brand(s) in question. So to clarify, these are...

Too bad the police are not interested in solving and prosecuting property crimes. Even if we all said, “Hey that’s Jimmy!” nothing would happen.

Eric’s just gonna do a partial tank breakdown while Joel isn’t looking. Frag ‘em up, move ‘em out.

I never used the wifi InkBirds because they get poor reviews. I have a bunch of the old school non-wifi ones and never had a problem with any. But all temperature controllers I use have backups carefully designed to avoid fail-on, fail-off, and gross miscalibration failures.

What are you suggesting is better? Ranco’s specs are less accurate and don’t show decimals, for comparison.

They look accurate to me. It’s easy to add a calibration factor to make them all match a reference thermometer or just so that they all match each other, which is basically as good for as little variance as there is.

Just speaking for myself, it wouldn’t be one or the other, it would be both. Not much overlap in what I get out of BAR vs what I’d hope to get out of the app. Anyone here using it? Care to share thoughts? I imagine the hot-takes that influencers give after a couple min would be less informative...

I saw this was promoted by Hilary from saltwateraquarium with a video interviewing one of the devs, and reminded me of it again. Now that we are a few months later I wonder if anyone has any additional experience with it? I also noticed they added a 12-month plan for $25, which is more...

Glad to hear it

Yes sorry I didn’t mention up front that it’ll be 1 cut in-tank (per session) then fragging up out of tank. And will use iodine for the frags.

I actually really like it. More than other much more expensive coral I have. Just too big of a crown at the moment.

Hey all. I have this huge bright green toadstool leather coral that has grown great but is getting too large. Pushing and shading other corals too much. I need to trim and frag it. I’m not particularly worried about the actual trimming and fragging, planning to use sharp stainless steel...

To reduce the chance of free lanthanum escaping into the tank, you want to dose very slowly over long periods of time, so hand dosing is probably impractical IMO. The sock or skimmate both collect the La only after it reacts with PO4. Unreacted lanthanum goes right through. So dosing more than...

I know at least 1 home based seller uses the bottoms of plastic cups like drink cups, deli cups, or yogurt cups as the molds for making cement frag discs. Any reason that wouldn’t work for the aragonite concrete approach?

Thank you for explaining!

I have precise calipers and various plug/disc sizes. If you need some more measurements I’m happy to supply them. Just let me know.

Regarding why I like them better- The ceramic ones are hard to cut and modify, like the hard artificial rock that is popular now but I don’t like. The agrocrete (concrete made from aragonite) ones are still hard, but are more like live rock in that you cut, chip, mod as needed. Like for example...

@timmeh Any thoughts on my question about making agrocrete plugs/disks? That would get me interested. I don’t particularly like ceramic ones, though I acknowledge they are very popular and easier to make maybe.

I use this method for every cleaning. I use the Red Sea 225 micron plastic (not felt) filter socks doubled up. Clamp the socks on the wall of the sump. Clamp 1/2 tubing into the socks. Siphon to filter for as long as I want or until the sock fills up. The plastic mesh is a lot easier to clean...