The Figure 8 Agitation Technique For Roll Film

Anon Ymous said:

I had the same opinion about them, but they're actually pretty good if you burp them. Very little to no leaking actually.

Of course, figure 8 ensures no leaking at all, so it's a no brainer in your case.

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gorbas said:

Greatly appreciated Andrew! Well done! Thank you!

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Andrew O'Neill said:

I had visions of putting the tank over my shoulder with a towel, then gently patting it on the side until it burped
I'm assuming you mean to slightly open the plastic cover to let air out?

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Arvee said:

Thanks again, Andrew, for video/tip. I did a roll this morning with a number of frames of blank sky looking for any variations in density. Smooth, no evidence of uneven development! And, no chemicals on the hands!
Tnx

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Juan Valdenebro said:

That looks interesting, and I'd like to try it, but is everybody agitating that much?
In general my cycles are two slow twisted inversions and two taps...
Could it be because I need low contrast for my condenser enlarger?

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MattKing said:

If you are skilled with your Tupperware technique, the current Paterson Super System 4 tanks rarely leak
Thumb on the center pushing down, fingers prying the edge up slightly, until the tank "exhales" a "pfft".

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Andrew O'Neill said:

We are using HP5 so we give continuous for first 30 sec. then 5 figure-8's every minute (about 5sec). Pretty much following Ilford's recommendations. Now if I'm using 510-Pyro, or Pyrocat-HD, I don't agitate nearly as much

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