Aquabacs' Cadlights Artisan 50 Azooxanthellae Tank build

It is not a question *if* a peri line will fail, it is only a question as to when. They all fail at some point. I know some of our pumps have had the same tubing for a very long time. I highly suspect the peri tubing used for chlorine is one spec'd for it so it wouldn't do much damage. The most damage is done from the crimping of the line and abrasives in the fluid.

FWIW the cooler the temps, the harder it is on the motor of the peri pump as the line gets stiffer. Several manufacturers I contacted all stated it would vastly decrease the pump heads life span :(
 
Ahhhh...the wonderful things forward to ;) For now I am going to leave mine as is and change out the peri tubing every 3 months but won't rule out adding the venturi. My system has about 1/3 the actual gph going through it compare to uhuru's. The venturi option is pretty ingenius and haven't thought of that fail safe option before. Might make one up to try out. The plan is after my Profilux comes back from being upgraded, to add a leakage alarm to the refrigerator, have that connected to the Profilux as well as the pump that feeds the water through the refrigerator and the doser. This will also help me sleep better at night knowing that it will shut everything down and keep the water/food loss to a minimum.
 
I like the leak alarm idea.

I think I am going to start building a setup very similar to yours Aquabacs. I am going to pick up the fridge in the next couple days. I am going to think about utilizing the venturis if I can come up with a good plan. My tank will be on an Apex so I have hoping to set up an alarm through this.

I use a Cole Parmer Peri pump for my calcium reactor on my large SPS system and if I do not change out the tubing once a year it will fail. Sometimes it ruptures, sometimes it just stops moving water through the peri pump.

Very nice build! Hope ours ends up being 1/2 the tank!
 
Also, if you positioned your fridge above your tank, you wouldn't get that much back-pressure. I doubt it would leak in that case.

In regards to the peristaltic pump heads being used in the fridge, I don't think it would be a big issue in these cases for three reasons:

1 - These heads are only working for very short bursts of time, due to the small volume of liquid, and probably do not heat up all that much. The colder temps of the fridge would also help prevent overheating.
2 - The head pressure is pretty low.
3 - The overall duty cycle for these heads are very low. After all, each pump is pushing a liter of fluid over the course of two weeks at best.
 
The way the tank and room is set up, I honestly could not set it up that way. Maybe I should say it this way, no way my wife would accept it being set-up that way ;) Now when I work on my next project tank we can see how it is going to play out.
 
If I were to place the fridge above the tank I wouldn't connect the pumps to the return line. I would have them dose into a small tub in the fridge, which would overflow by gravity directly into the tank. You could even dose large foods like mysis this way by simply throwing some cubes into the tub, and the tub could be removed for cleaning.

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Those are from Wolfgang Colsman's tank, and I believe designed by Claude.
 
Pseudanthias leucozonus

Pseudanthias leucozonus

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Wanted to share a video :)


Mike
 
Last night I had a friend come over for a fish swap. The Holanthias borbonius was swapped for 5 Pseudanthias parvirostris. Deal would have been sweeter if they were 5 vertralis though (another shoal of fish I would like to get hold of). As beautiful as the borbonius may be, it would be a lot happier in a larger tank, so he is off to a bigger home. In the interim my West African serranus has been grounded to the sump for bad behavior and most likely will be put up for sale soon.













Mike
 
Sweet! I wonder how much better ventralis would do in our tanks. Take pics of the parvirostris when you get a chance!
 
The ventralis should do well in our systems as well as other deepwater species of Pseudanthias. With a constant high volume of food in the water column and the cooler temperature are systems are maintained at, this should alleviate some of the issues with keeping them. I am sure Matt can chime in with some words of wisdom as well.
 
Aquabacs said:
The ventralis should do well in our systems as well as other deepwater species of Pseudanthias. With a constant high volume of food in the water column and the cooler temperature are systems are maintained at, this should alleviate some of the issues with keeping them. I am sure Matt can chime in with some words of wisdom as well.
Click to expand...

My take on P. ventralis is that the most important person who takes care of them is some guy you never meet before you even purchase them. In other words, how they're handled throughout capture and the chain of custody is what makes them either relatively easy or virtually impossible. I have 3 out of 3 P. ventralis that I got 3 years ago from one shipment doing fine. Shortly after I got those 3 doing well (had to do proof of concept) I purchased 15 more P. ventralis from the same supplier, and treated them in exactly the same fashion. All of them were dead within about 3 weeks, with no apparent water quality or disease issues. Sometimes there is just nothing you can do.

In contrast, fish like P. tuka seem to handle the shipping a whole lot better and certainly aren't going through the same decomp issues that P. ventralis are, but end up failing to thrive because of the lack of appropriate long term care in OUR hands. Of course their long term care is much more time intensive than that for P. ventralis, but given 100 P. tukas or 100 P. ventralis to start with I'd be willing to bet a stack of money I'd have a lot more P. tukas alive after 3 months, 1 year, etc. This makes it really tricky to say whether one is more "difficult" than the other.

I have no idea what the current state of P. ventralis collection is and how these fish end up doing long term. It may be that collection methods have improved drastically in response to severe mortality...but I'm just guessing. I think most of us are aware of the differences in A. parvulus survivability after some tweaks were made to their care and handling--they went from "impossible" to "not too tough" pretty quickly.

Anyhow, if you're still reading, they should be easy to keep in your NPS tanks ASSUMING you get healthy indiduals. They'll do fine on 3-4 feedings a day and will take to frozen mysis fairly quickly. Low temps <74 are ideal. They're small and passive so don't keep them with bullies. Higher light and higher temps don't seem to bother mine at all short term but probably best to avoid it long term.
 
Last edited:
Thanks Matt!

For collection of P. ventralis I have not seen them available form Cook for over 8 months now, not saying they haven't leaked a few in here or there. Have seen a few Pseudanthias hawaiiensis available though. I would still try a few knowing the gamble ;) or someday if these hit our shores.

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Mike
 
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