It’s surprisingly easy and cheap to make your own b/w developers. ITT we’ll be making something that has the exact same composition and properties as everyone’s favourite stand developer, Rodinal. The stuff known for its fine grain and dynamic range compression yadda yadda.. It also keeps forever. Doesn’t go bad. Ever.

Using paracetamol painkiller pills (Tylenol in the US, amongst other brands), drain cleaner and Sodium Sulfite.

Only the last ingredient has to be bought online or from a chem dealership and it’s also useful for diy fixer (more on that later).