Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Coral banded shrimp died while molting? (

xosux 08-22-2008 06:45 PM

Coral banded shrimp died while molting?
This morning my coral banded shrimp was on it's back not moving but it's fin things by it's mouth was moving like normal. The back half of it's exoskeleton was gone and both pincers fell off. It did move a little before i left but not much. Some history, i've had it for one and a half years and the water perams are the same then and now. A week ago i bought a fluval fx5 for my 55 gallon tank ( and a 20 gallon refugium ) it works good but puts out a lot of little bubbles all the time. Can the bubbles have killed it and not the other inverts in my tank. Yesterday i went and bought fluval pre filter and some polyester fiber to put in the fx5. I cleaned and rinsed good with ro+di water before putting it in and that puts us up to this morning. Could it be the pre filter or polyester fiber? Any help will be appreciated.

xosux 08-22-2008 07:45 PM

Update on the little bubbles i have a skimmer that put's out on top of the fx5 return and it is putting the bubbles in and getting spread around.

xosux 08-23-2008 02:24 PM

I just did some research and is it true their lifespan if 1-5 years? If so then mine lived a good life because it was full grown when i got it 2 1/2 years ago and it was full grown when i got it.

xosux 08-24-2008 03:39 PM

I think i figured it out not. After getting back from vacation my RO+DI was 5ppm so i put new DI in and back to 0ppm. Only a few weeks later and I tested my RO+DI and it was 48ppm after DI and almost 200 before. This meens the DI was taking almost half since my water is almost 500ppm tap ( i know very hard water since it comes from an underground lime and calcium river ). I guess the membrane got messed up not being used for 2 weeks. I just flipped the switch and rinsed the membrane for 1 hour and boom back to 40ppm after membrane and 0ppm after DI. I 99.9% sure that did it since it was molting its body absorbed the contaminates way faster. Man that pisses me off i've put about 30 gallons of this in a 55 gallon tank in a few weeks. Now i will need to do major water changes over the next few days to correct it some.

SKAustin 09-02-2008 01:56 AM

Sorry to hear about your loss. Glad you've got it all squared away now. How long have you had the RO/DI filter in operation?

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