You get waxoyl in spray paint can sizes now, can’t advise on if it’s better or worse but should be easier to install!
Can I double check the receipe in the original post... 2kg candles should surely be half a kg of candles?
This. And buy the Dynax direct from Bilthamber. Only an idiot would buy it from a reseller and pay 15 quid more. Ask me how I know