For me, using cleaning solutions is an absolute last resort and not something I do each and every time I clean my gear. I also don’t breathe on my lenses (you know, to fog them up to make it easier to wipe off
• Should overheating occur or gas sup- ply fail to shut off, do not turn off or disconnect electrical supply to pump. Instead, shut off the gas supply at a location external to the appliance. Combustion air — • DO NOT install combustion air in- take where there is a risk of ...