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ReefAddict 
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 Topic: Brine Shrimp Hatchery
Posted: February 14 2012 at 6:08pm |
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Has anyone ever tried to automate the raising and feeding of brine into a marine system? I have some weird ideas and a lot of equipment not being used. I was wondering if there was any ideas floating on how to raise a large batch of shrimp and dump them into the tank at a regular interval. Replacing the water from the sump via auto top off and let it continue for another 24 hours or so. I was thinking that it should be a pressure dump so that the contents at the bottom of the reservoir gets dumped out, but the flow should be restricted so that only a couple gallons escapes, kicks on the auto top off and replaces the salt water directly from the sump. I'm a tinkerer, and this may be insane.
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Will work for frags.
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ReefdUp
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Posted: February 14 2012 at 9:31pm |
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I looked into it a bit, but keeping the eggshells out of the tank was a bit of a challenge to overcome with any sort of automatic system. If you want to grow them out, you can do that fairly easily automatically (there are all sorts of DIY setups out there for that). After they hatch and are separated from the casings, the new system encourages the brine shrimp to move along the system as they age. Once they're adults, you could have a system dump every so often from that. You may be able to use decapsulated brine shrimp, but I haven't messed with that. Sorry...not really helpful.
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ReefAddict
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Posted: February 14 2012 at 10:22pm |
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Actually, that was helpful. I have a 100 gallon reservoir tank that stands about 6 feet tall. It is plumbed at the bottom. I could add plumbing to drain from say, 50 gallons up. This keeps the shells at the bottom. I wonder how often I would have to clean the whole thing out completely. I've looked but haven't seen anyone doing anything like this.
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Will work for frags.
(801) 664-0805
Computer Technician. MCSE. VMWare Hack, AD Overlord, Apex Neptune Master, Rapid LED Genius and overall Nerd.
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optimusprime
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Posted: February 15 2012 at 2:34pm |
I raise brine shrimp everyday for 20,000 + zebrafish (danio rerio) at Huntsman Cancer Institute. We use four - two for each feeding - 20 L upside down cones to house the brine shrimp. They are fed twice a day with brine shrimp and once with flakes. I myself have thought of automated ways of doing this because it is something that occurs twice a day at regular intervals however I have not been able to come up with a reasonable solution. I have tried decapsulated brine shrimp as well as decapsulating them myself (you can find protocols online or I can PM you the one we use at work as I can't remember it off the top of my head) and neither one work as well as regular brine shrimp in terms of cost and time, if you decapsulate yourself. Decapsulated only saves you a few minutes of waiting for the unhatched cysts float to the top after you stop circulation/ aeration. The hatched brine sink to the bottom where there is a valve for emptying. The whole process doesn't take that long which is why I think an automated system, in the end, isn't necessary when you can get great results by hand. 1. Fill with water 2. dump in brine shrimp cysts. 3. wait 24hours 4. separate and feed. 5. repeat. I can post pictures of the equipment we use if that would be helpful.
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m.ash
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Posted: February 16 2012 at 10:03am |
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Holy smokes thats alot of danio. Out of curiosity, are they wildtype, glowfish, or the caspers? And what are they researched for there? If thats confidential don't worry about it.
Edited by m.ash - February 16 2012 at 10:09am
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Ann_A
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Posted: July 08 2012 at 4:26pm |
 m.ash wrote:
Holy smokes thats alot of danio. Out of curiosity, are they wildtype, glowfish, or the caspers? And what are they researched for there? If thats confidential don't worry about it.
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I know this is totally off subject, but zebrafish have the ability to regenerate certain brain cell types (can't remember exactly what they are off the top of my head), which us humans can't do. My guess would be that they are being studied for this ability so that we can try to find a way of regenerating these cells, which are lost to brain cancer.
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Jeffatpm
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Posted: July 09 2012 at 2:50pm |
I'm in on this, I've thought of having a tank near your sump, timing a pump with a check valve to push water from the sump into the brine tank for say 5 min, causing the brine to overflow into the sump.
Concerns with this are salinity changes in both the sys and the brine tank. I'd use the shell free egg brine so you don't even have to worry about shells.
I've thought about doing this as well with rotifers, simply keeping the rotifer water slightly green. This process would keep new water in the rotifer tank.
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