Recommendation on products I should have on standby

This is my first grow i haven’t used anything but distilled water what do you guys recommend for having things around in case something goes wrong and i also don’t own any devices to tell me anything that’s going on what would you suggest I get and what do you guys think so far Cheese autoflower


Looking good @lilg420 check out this super comprehensive list from @Hellyesshedid

"Extras" I might need for my Grobo - #2 by Hellyesshedid - Fundamentals - AllGrowers Forum | Hydroponics, Harvesting, Cannabis, and more