user 72646
Well-known member
- Joined
- Sep 20, 2023
- Messages
- 152
Hi
I've been filtering solutions
can anyone tell what this green precipitate is below the silver blue slick on surface?
is this iron sulphate, if so could this simply be stored to drop gold in future.
how can I test?
Thanks in advance
MM
I've been filtering solutions
can anyone tell what this green precipitate is below the silver blue slick on surface?
is this iron sulphate, if so could this simply be stored to drop gold in future.
how can I test?
Thanks in advance
MM