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We’ll be making 250ml – enough for 30 rolls of 35mm film. Same dilutions and dev times as normal rodinal.
Here’s what you’ll need to play chemist:
-A container
-Sodium Hydroxide (lye) drain cleaner. Little transluscent white pellets. Make sure to buy the cheapest generic brand sort that doesn’t have any fancy additives like detergents, just pure NaOH – check the contents on the label.
-Paracetamol (Acetaminophen) painkiller pills. Again, since the active substance is identical everywhere, go for the cheapest generic brand ones – some fancier ones have additives like caffeine, we want pure 500mg paracetamol pills. Won’t list brands because we’re a happy worldwide community and it varies by country.
-Sodium Sulfite (NOT Sulphate or Sulfide!) – Na2SO3. It’s a widely available, non-toxic (unless you try very hard) substance that’ll stabilise our rodinal’s PH and act as a preservative.
-Distilled/Deionised water – readily available for refilling pressin irons and a multitude of other purposes. Boiled tapwater will do in a pinch if you’re incredibly poor or lazy, but I wouldn’t recommend it.
-A means of weighing powders – optimally a set of cheapo jewelry electronic scales (ask your neighbourhood drug dealer) – in a pinch, kitchen scales will suffice.
-A means of measuring liquid quantities – more on that in the next post.
