Quote Originally Posted by Zeeflyboy View Post
How long are you actually leaving it in the dye for? In the videos it seems you are just doing a very quick dip, I was of the understanding that it’s more like 15mins.

Are you going straight from anodising to dying after a rinse with distilled water?

If it isn’t accepting the dye, in my very limited knowledge I would say it can only be a few things - either the anodised layer isn’t sufficient (poor connection/insuffficient power supply/not long enough in the run), or the pores are too small

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What solution strength have you got and at what current per square foot are you doing it?
I have left it in for 20-30 mins and even an hour. Same result as putting it in for 20 seconds.
Yep Anodizing > Rinse > Dye > Seal
Have not got to seal yet though...

I have directly connected my alligator clips to the part and it still didn't accept the dye. The power supply is 48V 5A so plenty and I have left it in for 2+ hours yesterday.

I believe my solution is around 20-25% acid to water.
My acid was only 85% though so I might add some more.

Calculated for my part 25V max, 2.7A for 72 mins.