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The newer roy guerrero course off of riverside is nice if you can get on it before the crowds show up. It's got to be one of the longer ones in Austin. Searight is an awesome course. Circle-C if you're ever way southwest.

They've found several in Lake Travis and surrounding lakes as well.

Is this curved glass or acrylic?

I knew I could fit a purple tang in mine. Thanks for confirming.

Just got back in town from a few week vacation. Not a big deal, just wanted to see if anyone finalized the judging or if this is just going to go out quietly.

AAA. I was very disappointed in home brew the last 2 times I went, and not for under-filling. Apart from that it's easily 3x more expensive compared to AAA. Airgas wont fill for non-industrial use at all last time I tried.

Do you have a way of isolating all the zoas? You could do a peroxide or bayer dip. If you have the ability to keep them separate, you may just need to watch and manually remove any nudi's if they pop up again. I'd be worried about eggs being elsewhere in the tank at this point.

Forgot about that one, great graphic. The sharkwater documentary is a huge eye opener.

Humans...? Worldwide shark populations are 10% of what they were about 20 years ago. Not sure how Hawaii's regional numbers are doing.

I've heard the clown's can become extremely aggressive. In the top 3 tangs as far as looks go IMO.

This is going straight into a 90 for more open space, currently in a 50.

I'd just go with the raw shrimp method.

Agreed. The feathery look is pretty hard to remove from my memory. I've never seen it with quite that growth pattern, but there are supposedly something like 100 subspecies.

Nitrates were getting extremely high due to die off which prompted the water changes. I don't think it was 100% per week but it was a lot. Don't want to completely hijack the thread but in the end the actual cause was a massive nutrient problem from unusable rock. I don't think there was any way to win without cooking the rock completely. Especially in a large tank, small water changes are much less of a problem since you'd be reducing a much smaller amount of Mg per change.

Big Al's sells Tech M by the gallon @ ~$35 and the reef calculator says it would take about 124 oz. to bring 150 gal from 1350 to 1800ppm should it really doesn't costs $$$ hunfrdreds, as one 128 oz / 1 gal should about do it.. I agree but that's assuming you aren't going to do a water change for 3 months. I had a really bad outbreak in my 28. I had to get Mg up to 2100ppm for more than 3 months. Took about 4 gallons of tech-M with routine water changes. Bryopsis then came back a few months after I stopped. The problem with a ton of dying algae is that it's not removing whatever nutrients are in the tank and is releasing what it has stored back into the tank. Sort of a double whammy for water quality in a small tank.

Also, hydrogen peroxide can get rid of it in a hurry. If you can remove the rock soak or spray in 3% H2O2. It may take 2 dips, but this method is probably the easiest way of getting rid of it. There's a huge thread on nano reef about it. The tech-m method in that size tank will cost several hundred dollars so it's not really a viable option IMO.

Sounds like it's bryopsis to me by that description. Hard to tell by the picture since it's moving. It's a pretty distinct algae group so I don't think it's likely you're wrong in identifying it. I'll be interested to see if it goes away. I've heard of a random emerald crab or turbo eating it but never to the point of getting rid of it.

Caulastrea definitely benefit. Acans grow a little better. Duncans and euphyllia's all grow substantially faster when target feeding. Mine typically get about 25% of the pellets I feed just by chance, and a few have grown drastically in a few years. My purple hammer went from a couple heads to about 50 in 2 years. Mysis are another good one as suggested that everything likes. If you're having any nutrient problems, I would just skip it. If some food lands on them when feeding the fish, that's great, but not worth off balancing your chemistry for it.

I wonder if ocean acidification and warming, which is also well observed, and thus accelerated growth of algae is also a contributor.

They don't have any right now unless they got a shipment since yesterday afternoon. Probably less than 10 saltwater fish in the whole store right now. RCA may have one, but I'm sure that either aqua dome or aquatek has one.

How big is this tank? Is the bryopsis on the rock or is it isolated somewhere? Foxface are the only fish, or really only animal, I've seen eat it regularly.

I think PG13 may be subjective...