This is what we did with soap scraps when I was young, and worked very well.
I've found a very low cost, low maintenance way of doing this (as I didn't have a proper spray device).
Take a nearly empty washing-up-liquid bottle (when it's reached the point that it's too annoying to try to get any more out of it). 1/2 fill with water and shake like mad until the other half is completely foamy. Now, with the bottle mostly-upright, squirt gently, such that a huge flume of soapy bubbles emerge.
With a little practice, you can pretty much cover all the infested surfaces with bubbly-detergent-foam. Do this a few times, and the green/white/black-fly just disappear.
Next time you need to use it, just shake like mad again. Occasionally it may need topping up with a bit of water.
Remember to keep it mostly-upright, even when getting at awkward bits.
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I've found a very low cost, low maintenance way of doing this (as I didn't have a proper spray device).
Take a nearly empty washing-up-liquid bottle (when it's reached the point that it's too annoying to try to get any more out of it). 1/2 fill with
water and shake like mad until the other half is completely foamy. Now, with the bottle mostly-upright, squirt gently, such that a huge flume of soapy bubbles emerge.
With a little practice, you can pretty much cover all the infested surfaces with bubbly-detergent-foam. Do this a few times, and the green/white/black-fly just disappear.
Next time you need to use it, just shake like mad again. Occasionally it may need topping up with a bit of water.
Remember to keep it mostly-upright, even when getting at awkward bits.