Should I Use Knotting Solution?

Yes, as with all water based paints, it is necessary to seal knots in bare wood prior to painting. Any standard knotting solution is fine to use and should not affect the performance or application of Earthborn Eggshell No. 17.

Do I need to treat knots in wood before painting?

If you are deciding to paint bare wood, you should seal all knots (spot prime) with a shellac based primer. ... If you are looking to stain your bare wood, you don't not have to seal the knots with a primer, heavily saturating the knots with stain will do.

Is there an alternative to knotting solution?

There is an alternative to using knotting solution - Ronseal Knot Block Wood Primer &Undercoat. This is a primer-undercoat that seals the resin in the knots, so you can miss out the knotting-solution stage altogether. It goes on easily and is a quick-drying, low-odour paint.