I am making a 1+50 solution (total 500ml) from Adox Rodinal concentrate.
In common practice do you keep and reuse this 500ml solution or discard it every time we use?
If re-use how long can we keep the solution?
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Adox Rodinal is a one shot developer, meaning it is not meant to be reused (https://www.adox.de/Photo/adox-film-developer/rodinal-adonal/).
Mix up your 1+50 for your immediate needs and discard when done developing.
Check your local laws for instructions on discarding, as this will vary from place to place. For example, my city doesn’t care about used dev or stop going down the tap, but used fix must be stored separately and recycled.