https://smile.amazon.com/gp/product/B01MXDAHIB/ref=crt_ewc_title_huc_1?ie=UTF8&psc=1&smid=A2YBUKGVC3GJ20

This is what I use: https://www.amazon.com/gp/product/B01MXDAHIB/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&th=1

Someone mentioned this premix in another post. I mix my own but was thinking about getting this as backup.

https://www.amazon.com/gp/aw/d/B01MXDAHIB/ref=ox_sc_act_image_1?smid=A2YBUKGVC3GJ20&psc=1

https://www.amazon.com/gp/product/B01MXDAHIB

This stuff is life.