Made a little tin lid for the casting pot...cast out doors. Serves 4 uses:
1. Keeps susicide bugs from aming that final plunge (and the eruption that follows once the bug hits the melt).
2. Keeps heat IN...can turn down the thermostat and maintain casting temp.
3. Keeps splatter down when adding new lead.
4. Makes a nice flat pre-heating area.
I too flux like I've been tought...stirr deeply, scrape the sides, and skim off the flating bits. Not the floating dross...that gets mixed with the flux and only after that is it skimmed off.
Can put a layer of kitty litter on top or sprinkle boric acid crystals on top...that last sems to form of seal and no oxidation occurs until you have to distrub it by adding more lead.
As in thelast post...I only thought I knew what fluxing does...now I'm not too sure. If nothing else, it seems to speed the process of getting the "crud" to rise to the top.