Bloodworm warning on bottle - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 6 Old 07-13-2012, 07:08 AM Thread Starter
Question Bloodworm warning on bottle

Why does it say not to touch with your fingers?
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post #2 of 6 Old 07-13-2012, 07:13 AM
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There have been medical reports that people can develop an allergy to this creature over time (takes 1 – 2 years) just by touching it, breathing in dried blood worm dust or its contaminated water. A bad reaction (itchy or swollen eyes, coughing, shortness of breath, skin swells) to this fish food can build up over several years and you should be aware of this.[1]

10g Fry / Hospital / QT tank (as needed)

75g Saltwater Reef, Ocellaris Clownfish, Lyretail Antias (baby), Lemon damsel, Longtail Fairy Wrasse, purple dottyback, snails, crabs and a few LPS corals.

220g Still sitting empty (come on Lottery I need the numbers to come up!)
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post #3 of 6 Old 07-13-2012, 03:03 PM
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Yes, I am one who has this allergy, and I knew an employee in a fish store many years ago with the same. It affects me from the freeze-dried and the frozen bloodworms.

Interestingly, it seems to have abated lately, though I am still careful not to touch the frozen bloodworms or inhale the smell, just in case. I feed frozen once or twice a week. And I wash my hands well after feeding them.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 6 Old 07-13-2012, 09:19 PM Thread Starter
i got some freeze dried for my bumblebee gobys. I soak it a bit and fed the flake food first so the crowd is busy and it makes it somewhat down. They do come out for it. Not sure how often to feed it though?
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post #5 of 6 Old 07-13-2012, 09:35 PM
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I'm feeding my gobies every other day. Don't know about yours but mine seem fine after around 4 bloodworms. They will also feed on microscopic life if you have any plants in the tank with them.

taking a break from fish-keeping.
3 lovely male betta still keep me company.
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post #6 of 6 Old 07-13-2012, 10:10 PM
Best way to feed boodworms, frozen or otherwise, is using tweezers or some other implement to handle them. Limits contact and thus the chances of developing the allergy.
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