Weeds

Oh man, I look forward to those pics. Yes, your success with the grass in your tank has made an impact on me. I think in my river tank, I got lucky with the parameters this time LOL. When I get my oyster reef off and running, I really want to have some success with eel grass and macros, so I will be doing something similar with the sand bed toward the rear of my tank. You're an inspiration, and I've pointed my friends to your builds as they're trying to get brackish/salt grass tanks going for sea horse displays.
 
Looks amazing Michael. I looked at Kevin's tank and then yours and I am so jealous of all the beautiful greenery.
 
My little yellow tail damsels are feistier than at first but mostly only with each other. Tommy the tomini tang chases one of the damsels. It hides out in a barnacle too..
 
I just learned one reason why Ulva doesn't do well in my tank. I have a large black-fingered mud crab who loves to eat it. I never noticed it before. It doesn't seem to eat the Gracilaria though. I wonder about how sea grass will do if I ever give that a try.
 
I think Ulva is almost universally loved by all herbivores/omnivores. My tiny Dove Snails go after it big time. When conditions are to it's liking, it can often outpace predation. But those conditions are not ideal aquarium conditions, so they eventually succumb.

This also brings up the question of 'editing' down tank critters that may be competing with your own goals for the tank. Sometimes, we get something small, and it fits right in. Later, they get bigger and too destructive for the tank's ecosystem. In the meantime, we get attached, and instead of removing it, we allow our plan to get hijacked, essentially giving up control of our intended goals. Is this crab doing that?
 
Well, I like the crab more than the Ulva, so, I guess I'll view the Ulva as temporary beauty but also as food. In the wild, it's a sign of high nutrient waters, so probably not an indicator of a healthy environment (as you stated) in the wild or in my tank. Eel grass, however, would be a different story. I would either keep the crab in the oyster reef tank and move the eel grass and make a lagoon tank (for seahorses, sticklebacks, rainwater killies, gobies, etc.) or move the crab. Not sure yet. I guess it would depend on how the grasses are doing soon after collection (I got a good tip on where to get it next summer). Also, this would be in my 100g tank. I obtained a 40g tank which might serve as a good Chesapeake Bay sea grass tank. You have options when it comes to having more than one tank, you can create 2 versions of the same biotope! I think with better lighting, the Ulva growth would outpace predation. My light is a cheap one.
 
Yeah, I found that I could put Ulva right at the top of tank, right under my 400 watt metal halide, and if there were adequate nutrients, it would grow like crazy.

The grasses are still good, even with the coatings. They just break off where they're dead. I'll prune them down at some point. I don't think I've ever had so much of it reach the surface. But the fish do seem to appreciate the pruning. It allows them more swimming space and to more easily access the sand.
 
That's interesting. I guess there is hope with my big tank because the lighting is a huge upgrade. And, translating what you do with pruning your grasses is exactly what I need to do in my river tank. My grasses are changing the tank from a rockscape to a jungle LOL. So, whenever I need to seek direction, all I need to do is come back here to get ideas!!! Plus, your tank is one of my favorites on-line. It always has been from the beginning. It's so cool and different than the zillions of other tanks on-line. You've successfully taken a FW planted concept to a salt version, and, throw in the macros, that's pretty unique, I'd say!
 
Thanks for the kind words Kevin! I do like being different. I just prune the grasses down to the green. They respond well to it, and keep on growing.

I'm stoked you're having success with your Vallisneria! Welcome to the paradox of having too much of a good thing!
 
Hooray to both of you guys, Michael and Kevin for your successes. Its cool to see 2 very unique concepts for tanks!
 
Thanks Dawn. Your tank concept is pretty unique too! We three are an awesome little group of oddballs. Lovin' it!
 
Ha ha, I love your description of us being an awesome little group of oddballs. That is hilarious! I guess we are.
 
I've grown weary of pulling Caulerpa. I want someone else to do it for me. I need to make my tank easier to maintain. Spending hours on a step ladder reaching down into a 30 inch deep tank has gotten old. And so have I…

Awhile back I researched caulerpa eating fish. I think it's time to put that info to good use. Time to start shopping for a…Foxface! I've never kept one, but I'm ready to try. I'd like to find a smallish one with no black spot. I'll have to drop my 2 LFSs and see if anybody has one, or maybe order one if they don't.

Time to get a quarantine tank ready I guess.
 
Wow I haven't been around much. I got sick right after Thanksgiving, and I'm still not fully well yet.

As I keep saying, I am slacking! But sort of on-purpose. I need the caulerpa to get out of hand for a new Foxface. This is a bit of a deep dive, as this fish will have a huge impact on the ecosystem. I'm facing a future possibly without macro algae.

I went by my LFS today, and they have a selection of Foxfaces, so I came home and set up the QT tanks. I'll go pick one out tomorrow.
 
So it's tomorrow and I got a new Foxface!

Also I got a Blue Tang - the Pacific, hippo variety. They are in separate, adjacent quarantine tanks, so they can see each other, but not infect each other. I got them slowly acclimated to Hypo Salinity conditions, over the course of the afternoon. This will lessen their load of osmoregulation, and also kills ICH. I have meds on hand if needed. I think these two look healthy. That's not something you can say when you blindly purchase fish online, like I USED to.

I decided to get the smallest Foxface they had, which I think is about four inches. I was sorely tempted by the Magnifica varieties they also had, but I chose the basic model instead. It starts out mostly yellow, but over time, a black spot grows as it gets older. I would have preferred the all-yellow variety but it wasn't available. The Blue Tang is about two inches. It had been at the store for two months or so, so I'm confident it's healthy.

Adding these fish will bring a new dynamic to the fish community. It's going to be fun! The Foxface will likely transform the aquascape, by consuming (I'm guessing) most of my macros. I wonder if any will be spared? The Sargassum? What will I do with newly available real estate? The Tang will bring tons of personality and energy. I'm not counting on it for much macro pruning.

Big changes ahead!

QT1
 
Hi Michael, sorry you are out of sorts.
Just an FYI, the water can be dropped quickly for hypo salinity.
It can NOT be raised quickly it must be done slowly.
I can relate to your headache, mine is blue sponge taking over everything.
I have done some pulling & trimming but am going to try removing rock to get @ it and air drying for a few hours at the same time.
Get better soon.
 
Hey Vinny! I'm feeling better now, with just a lingering cough.

Yep, I have a fair amount of hypo experience. You are correct that bringing salinity down can go pretty quickly (hours), but raising salinity needs to be done slowly (around a week). In my opinion, it's a much safer alternative to copper.

I checked on the new fish this morning and they're good! That first night is the scariest for me, wondering if they'll survive the night. They did, so yay!

QT2
 
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