I'm also using B&S fuel fit for fuel storage, it seems to work and costs less than Aspen, but less shelf life, 3 v 5 for Aspen..
Either way draining down is good practice for occasional use stuff.
Modern pump fuel is a chore..
https://www.briggsandstratton.com/eu/en_gb/products/care-products/fuel-fit.html
Either way draining down is good practice for occasional use stuff.
Modern pump fuel is a chore..
https://www.briggsandstratton.com/eu/en_gb/products/care-products/fuel-fit.html