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It sounds like your system is performing typically. As a friendly reminder as we enter cooler times of the year, RO membrane production corelates strongly to water temperature.

1. What is the TDS entering the membrane, or at least the TDS of your source water? 2. What is the advertised rejection rate of your membrane? 3. You don’t typically run the product water from one membrane into another, that would be pretty wasteful from an overall cost perspective. You run the...

Is there also a shutoff, reservoir, or accumulator in there somewhere? Given that kalk output lines occasionally clog and peristaltic tubes occasionally get holes I would be hesitant to hook an RO line directly to one. When I ran kalk I had it on a solenoid from can elevated reservoir, but of...

By black short spines would move a few things, but it wasn't too bad. More pushing things around and getting under them to eat than anything else. The pincushions, tuxedos, and Halloween urchins would go so far as to rip up frags I had glued down if they weren't secure enough. Turbo snails...

I don't pay for things that way well be dead in 24 hours. The one occasion I took in a piece of livestock on death's door (a clam that had been gaping for a week and I expected to die several days prior) I did so on the condition that it was a free rescue, and I would pay for it *if* and only...

I’m using a couple second puff out of a line regulated to around 100 psi out of an air compressor. Of course given that I’m sealing the connection with my hand, line resistance, and so on I doubt the line sees much pressure. It’s more a way to get a high flow rate. The outlet of a shop vac or...

I have some grandis paly's that I'd be happy to donate on the toxic front. I also have a bunch of these, and a couple other more generic ones:

Time to revisit this one. It turned out that two trochus snails survived, and both of them rather quickly outgrew the ability to fit through the overflow gap, that or they heard the tortured souls of their brethren warning them not to go down the drain. Either way, they are now bigger than the...

I would not assume that all of these are equal. At least one of the US based companies regularly mis-reports a parameter or two. Triton seems to do a more consistent job, although as with all tests, it's good to understand the limitations of the test.

Reminds me of a guy I knew years ago who was big into zoas and decided to try montis. I was only a month or two into having a reef at the time and asked him about SPS. "Anything touches it and it leaves a dead spot. Food touches it and it leaves a dead spot, I had some fish poop land on a...

Put these under a scope today. I mistook the white spots in the photos as fuzzy moving things when in fact it seems they were bare places. The samples had been in containers overnight and were unhappy from that but no eggs found, no nudibranchs found, no usual trails through the underside...

Look at the electrical consumption and you might change your mind about not caring AC vs. DC for a reasonably sized return pump. I am assuming you aren't constantly running a heater that would be replaced with this though. Some brands are easier to put backup power on than others. Given...

Torsion box is more or less the explanation. The stand I made for my 8' 300 gallon was that way. 2x4 along the length with 2 layers of 3/4" plywood top and bottom. Slightly overkill perhaps, but it let me put legs in just the 4 corners with a large unsupported span in between. I could have...

I've given this some thought in the past, although on a larger scale. It's always come down to: Increased geometry helps with stiffness faster than material changes. It works better with a sheet on the top AND bottom (think sandwich composite, aircraft wing, or even I-beam) but few people are...

I’ll be generally around. Shoot me a PM at some point and we can swap phone numbers. I’m easier to reach by text, and occasionally miss forum messages here for a half day.

Not new news for anyone who has kept one, but I had a curious experience with mine yesterday. He's a new introduction to the tank as of last weekend, but he's competing for food successfully and the aggression from the naso has nearly stopped. I walked over to my tank yesterday and found him...

+1 More applicable to tangs, but my general rule for fish that eat nori is that it should always be available to them. Might contribute to my algae issues, but my fish are fat.

I'll second (or third at this point) polyclad flatworm. If I remember correctly different types eat different things, although it seems you may have ID'd a food source. The last one I saw in person was found in a tank with no known predation issues attributable to it, and was a couple inches...

They do look a bit like MENB from the fuzzy pictures. If you can catch one (easiest is to suck them up with a turkey baster, or snap off a frag with them on it) and bring it to Twin Peaks I'll put it under a microscope and be sure. They usually leave eaten away trails through the tissue on the...

Easiest way to be sure is to put him in the sump or something for a couple weeks and see if the problem goes away. I'd loan you my in-tank isolation box, but I don't think it'll fit in your tank.