I'm experimenting with flow in Photoshop, but can't seem to get it to work.

So I've selected a basic brush and set opacity to 100% and flow to 20%.

But even when I keep painting over the same bit, I just end up with a load of flat colour, instead of giving the effect that it's supposed to:

See the image below, I am trying to get an effect similar to that on the left... but instead I get what is shown on the right:

enter image description here

Am I doing something wrong or could it perhaps be a bug? I'm using Ps 19.1.0 if that helps

  • On the screenshot I see a stroke of a brush with low flow. This screenshot: is that an example of the effect you're expecting or your result? If it's something you're expecting, what's your result? If it's your result, what were you expecting? Commented Feb 18, 2020 at 7:35
  • If using mouse change brush hardness to 0%. Commented Feb 18, 2020 at 9:00
  • @SergeyKritskiy thanks, Ive just updated my question! :)
    – user23891
    Commented Feb 18, 2020 at 11:09
  • @SZCZERZOKŁY I've tried that too but no luck unfortunately
    – user23891
    Commented Feb 18, 2020 at 11:09
  • I could not replicate your issue. Try to reset the brush: Alt+0+0.
    – LeoNas
    Commented Feb 18, 2020 at 11:14

1 Answer 1


While brush Opacity setting is absolute and works the same for any brush, Flow effect will look differently depending on a lot of other brush settings: spacing, scattering, texture, dual brush, etc...

In your example I'd think that spacing is set to a very low value so you don't really see any difference with high and low flow. Try openning Brush Setting window and changing spacing to something like 20-30%

enter image description here

  • worked perfectly, thank you!
    – user23891
    Commented Feb 18, 2020 at 13:08

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