Was doing a repair and on my fill coat, it fisheyed all over the place.
I have glassed about 10 boards and have never seen fisheyes…
Oh well, will sand it down and clean everything up and try again. No worries.
Was it particularly humid?
Other things to watch out for are contamination, contamination, and contamination… in the air, on your hands, on the board, in the brush, in the bucket, on the stir stick…
I chased the fish eye problem for a few boards too. Such a pain in the @$$. I originally thought it was a contamination issue since I’m glassing in a garage where I also shape. I tried the alcohol cleaning trick, only wearing gloves and never touching the board bare-handed, and went so far as to build a little tent to glass in. Still lots of problems. I found the solution in an older post by someone here when they said to lay it on thin and rough up the board beforehand. It was all surface adhesion issues. Hitting the enitre lammed board with a some sandpaper to rough that puppy up made a HUGE difference. Then lay it on thin!! squegee it on and brush it out to level. No more fisheyes. If you’re a heavy handed sander go two coats and sand lightly between them. Smoother finish will result.
Good post, Hang20. That is correct. Also, if you don’t have too many fish eyes, consider taking a piece of 100 grit and with your finger, sand the hole to rough it up a little, then mix some more resin and just drop little drops into the holes. They will sand out. It can be better than sand out the whole board and starting over. I had to do this once and it worked fine. Maybe 50 ish or so fish eyes? It only happend on one side. The other side was fine. Crazy.
All the best.
I traced my issue and it is a dumb mistake. I used a small paper cup to mix the resin in and I suspect that there was a wax coating or some other contamination. I used that cup because I was mixing such a small amount of resin – about 6 CC total.
Anyway, I sanded the fisheyed part back down to the glass (mind you it is a ding repair) and then reapplied using plastic cups to mix and there were no issues.
So many chances for a problem I had a major recently found it was condensation driping off the inside of my garage roof onto the board. Filled the many fish eyes then triped and knocked the board off the rack and mashed the tail :-(