03-29-2008, 06:27 PM
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Brine shrimp culture tank, help me get this right.
I am trying to get a brine shrimp culture going, more for the heck if it than for anything else, but I intend to feed them to my fish. My question is about filters, I read alot of websites about DIY culture tanks and some suggest a sponge filter, so I got one and put it in there and its not working so well for me. I feed dried sparuluina powder that I pre mix with water but it seams that the filter just sucks up all the food. I can tell because the water is green when I add the food, but not so green after say an hour. Are the people who say to use a filter crazy or am I missing the point.
Also how much food should I be feeding these guys? I have been mixing 1/4 teaspoon with 20ml. of water and then with the mixture, I feed 1ml. several times a day (4-ish), I honestly have no idea how much I am suppose to feed them, the various websites just say to keep the water cloudy. doesnt really give me a good idea of how much. my culture tank is a 2.5 quart pickle jar with a sponge filter in the center. for my initial stocking density I shoot for about 5,000 per 2.5 quarts....roughly. I premix salt water in a 3 quart jug with 100grams of marine salt, that should come out to 35ppt. I added a heater to my last culture, one website said 86 degrees F but I think that was too hot because they were all abruptly wiped out after I did that, I think ill try 80 for the next one. these are great salt lake eggs from BSD.