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wireless_john · 9th Aug 2019, 12:36 pm

I would think it would be. I'm hoping so! My Dad passed away in 1990 so all the bottles I have date from the 1980's.

I have made a few small PCBs over the last couple of years and it all seems to be OK, if a little slow sometimes where I've been pouring it back in the bottles and thus diluting it somewhat.

I do have a bottle that he got me that's so far unopened and four times stronger so my intention is to dilute it with distilled water and go from there.

John

9th Aug 2019, 12:36 pm	#25
wireless_john Heptode Join Date: Apr 2011 Location: Gosport, Hampshire, UK. Posts: 606	Re: Ferric Chloride I would think it would be. I'm hoping so! My Dad passed away in 1990 so all the bottles I have date from the 1980's. I have made a few small PCBs over the last couple of years and it all seems to be OK, if a little slow sometimes where I've been pouring it back in the bottles and thus diluting it somewhat. I do have a bottle that he got me that's so far unopened and four times stronger so my intention is to dilute it with distilled water and go from there. John Attached Thumbnails __________________ GQRP Club 4704 - BVWS Member