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Thread: Bbshrimps

  1. #1

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    Alright -

    I quickly setup a BBS Hatchery last night. 2 liter bottle, cut in half - air line in the cap - bubble rate so everything spins in there. Added about a 1 Tbls salt, little epsom salt, and a small amount of BBS Eggs -

    24 hours later - I turned off the air and let it settle. I could see shrimps! I was excited. So as I have read, I covered the bottle, and put a flashlight aimed tward the cap. I waited about 10 mins and as per the web, Should have been able to use a baster and suck up the shrimps from teh bottom of the bottle. Because the eggs should have floated to the top.

    Well haha - I sucked up lots of eggs that were on the bottom and I would guess some shrimp... I then put the baster contents through a Penn Plax (NEW) BBS Net... and everything slid right through it....... Im not impressed with the net. When I swished the net (looks empty) into a container of fresh water, no live shrimp were found. When I put the contents that went through the net into a container, I could see LOTS of eggs that were sinking and some shrimp.

    So what am I doing wrong? Do I need to wait longer? Are the sinking eggs eggs that will hatch soon? I added a light above the hatchery tonight. This is the one thing I didnt have before. It had light for probably 12 of the 24 hours yesterday. Does that make that much of a difference?

    And what about that BBS Net? Is it a defect, or are they all just a joke?

    Thanks!!


    Dustin
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  2. #2
    Tropical Fish Enthusiast jimscott's Avatar
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    A long time ago there was a product out on the matket by an outfit called Longlife. They had a circular maze shrimp hatchery w/lid. In the center was a hole, where you put a light bulb. The idea is that when the shrimp hatch, they migrate through the maze to the center, being attracted by the light. This way, you only get the shrimp - no eggs. Light is the key to getting the shrimp to congregate.

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    Hi Dustin,

    Ok, use 2 quarts of dechlorinated water, 2 tbsps of non-iodized salt (I use pickling salt as it dissolves fast and runs easily through a funnel into my glass milk jar hatchers.) 1/4 tsp od Epson salt and up to 3 tsps of eggs (amount depends on number of fish to feed). I hatch at 80F. Eggs start hatching within 24 hours with the better grades of eggs hatching fastest. The shells float but unhatched eggs sink. After you turn off the air and place a light at the bottom so the very red mass of shrimp will collect there give it 10-15 minutes. To siphon get a pice of 3/16ths rigid (hard) plastic tubing (same size as airline tubing) and cut a 15 inch piece. Then add a long piece of flexible airline tubing to it and you have a bbs siphon hose! Place the rigid end in the middle of the red mass of shrimps and suck. Put the flexible end in the brine shrimp net that is laid over a bowl or something below the height of the hatching container. Get a good net from brineshrimpdirect.com or Tetra. If not, use a good quality hankerchef or even a good coffee filter -- but a god bbs net is easiest. Aquaculture businesses also sell good nets and great cone bs hatchers. You can siphon shrimp during the 24-48 hour period before their first molt. This is when they are best. After 48 hours they start polluting the container and die. Have at least 2 containers running so you always have bbs. Always thoroughly clean the container before setting it up totally fresh after each 48 hours -- don't reuse water ever! That's it. If the pop bottles don;t work, use gallon pickle jars, half gallon glass milk or water bottles or some half gallon at least glass container than allows you to easily bubble the eggs and cover so you don't get salt spray. I use the plastic caps Whole Foods used to give for their glass milk jars and poke 2 holes in the caps -- one for the airline and one so all that air can escape. That's it. You'll get the hang of it.

    Bobby

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    Thanks for the info Bobby - Im starting a new setup tonight using your info [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile.gif[/img] I had a hatch from yesterdays, however I was unable to really seperate the shrimp from the random eggs the way I would have liked. I did get them seperated, just not 100%

    Now Im reading "Cyst shells are indigestible and can lodge in the gut of predators causing fatal obstructions, the shells have been speculated to be a source of heavy bacterial contamination" --- Does that mean that the eggs that are not hatched or that have hatched and were floating could kill the fish, if eaten? And if thats the case - wow does this seem to be alot of work..

    What do you use for a light source? Arent the unhatched eggs on the bottom with the shrimp if the light source is at the bottom of the container?

    Thanks! [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_m_32.gif[/img]

    Dustin
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    Hi Dustin,

    Never lost a fish to bs eggs or shells and one never gets just bs when siphoning. The bs settle on top of any unhatched eggs which is why it is better to buy the grade A eggs -- fewer unhatched. Just do your best as a relatively few eggs are no biggee. I use a single bulb incandescent shop work light as a light source but I used to use a flashlight and cover the jar with a towel. Either way works and shop light is cheaper.

    Bobby

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    I use the Sanfrancisco Bay Brand hatchery attachment for the soda bottle and the black box with the hole and collecting vial above.

    You can buy them online at fish stores. Cheap like 10 buks or so.

    I bought a ounce of eggs on eBay.

  7. #7

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    Hmm - ive seen those bbs hatchery kits in stores. Is the base black so they swim up for easier collecting?

    I tried again, using your method, Bobby. Seems to have a better rate of hatch this time. I ordered 2 Nets from brineshrimpdirect.com like you suggested. The net is just to collect and rinse the shrimp, not to remove eggs, right? The Penn Plax must be a defect, because everything flys right through it. Ive been using a coffee filter.

    Thanks!

    Dustin
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  8. #8

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    This is what I hatch them with.
    http://www.bigalsonline.com/catalog....id=3029


    This is how I seperate them.
    http://www.bigalsonline.com/catalog....id=3029

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