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Old 08-18-2019, 04:47 PM
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Default Appropriate fruit fly container?

I have my first purchased FF culture producing. Instead of buying extra plastic I'd like to reuse non-recyclable containers that I'd just throw away. My kids eat a LOT of yogurt from 32 oz plastic containers. They're opaque #5 and can't be recycled. It's obviously better to be able to see into the FF container to gauge progress but I figure I can refrigerate them for a few minutes to slow the gliders down. Any issues I haven't thought of?

I have media and excelsior.

Thanks in advance!
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Old 08-18-2019, 06:37 PM
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Default Re: Appropriate fruit fly container?

How are you going to make ventilation holes that won't allow other things in?

The best part about "typical" fruit fly containers are the fabric mesh lids for ventilation...
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Old 08-18-2019, 07:43 PM
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Default Re: Appropriate fruit fly container?

The opacity of the containers is a deal breaker for me. With multiple cxs going at once, I don't want to do more than glance at them to see what's going on, and I want to be able to spot issues ASAP. One massive crash, and I'd have to overnight FFs from somewhere; one overnight shipment is worth a lot of plastic containers, from the POV of the environment.

We have a lot of those yogurt containers, too, and manage to reuse them multiple times around the house and farm before they need to be disposed of.

FYI, almost 0% of plastic is currently recycled (if you're in the US, anyway). The US hasn't picked up where China left off, and I doubt that will change soon.
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Old 08-18-2019, 08:24 PM
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Default Re: Appropriate fruit fly container?

If you are thinking of poking holes in the tops, it will not work. The pierced edges reform back, it doesn't work even when people poke larger holes for other things. Holes need to be drilled or mechanically punched out.

Besides I would think some photo period, however muted by sterlite containers, bins, etc, is needed for flies to cycle normally.
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Old 08-18-2019, 08:28 PM
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Default Re: Appropriate fruit fly container?

Many keepers report equal production in light and dark:

https://www.dendroboard.com/forum/fo...lies-dark.html
https://www.dendroboard.com/forum/fo...eed-light.html
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Old 08-18-2019, 08:35 PM
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Default Re: Appropriate fruit fly container?

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Originally Posted by fishingguy12345 View Post
How are you going to make ventilation holes that won't allow other things in?

The best part about "typical" fruit fly containers are the fabric mesh lids for ventilation...
I agree that this is another great thing about regular FF containers.

Some folks here who like putzy tasks have used 0.3 micron filters for venting insect bins. I believe they're mite-proof. I bought some for my isopod cxs and decided not to use them because of the admittedly very slight challenge of attaching them and my impression that screen would vent much better.

Search "micron filters" here; there are a lot of details on how to use these.
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Old 08-18-2019, 09:32 PM
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Default Re: Appropriate fruit fly container?

I use glass pickling type jars and replace the centers with a fine miso soup screen I get at the stores around here, they are Chinese speaking stores, and im assuming the mesh is aluminum, that I pull out of a ladle ring. But I would like to upgrade to something else.

haha, even if the production is equal, you would probably make fun of the small courtesies of normalcy I try to impart my feeder inverts. I feel warmly toward them.

They are my little buffalo herds, what would I do without them?
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Old 08-19-2019, 12:46 AM
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Default Re: Appropriate fruit fly container?

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Originally Posted by Socratic Monologue View Post
The opacity of the containers is a deal breaker for me. With multiple cxs going at once, I don't want to do more than glance at them to see what's going on, and I want to be able to spot issues ASAP. One massive crash, and I'd have to overnight FFs from somewhere; one overnight shipment is worth a lot of plastic containers, from the POV of the environment.

We have a lot of those yogurt containers, too, and manage to reuse them multiple times around the house and farm before they need to be disposed of.

FYI, almost 0% of plastic is currently recycled (if you're in the US, anyway). The US hasn't picked up where China left off, and I doubt that will change soon.
I know. I teach Environmental Science at a high school. The paucity of plastic recycling in the US is hard to get over. That's why I'm trying to reuse what I can. I'm trying ONE opaque yogurt container with a coffee filter over it. I won't likely be ready for frogs until November/December. I just need to practice FF culture until then.

Thanks everyone for your input. I will likely use clear containers from now on. I will be able to collect Starbucks clear cups when school starts after Labor Day.
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