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- Fri Feb 14, 2025 10:19 am
- Forum: Corals
- Topic: Help with stn and rtn (short-term and rapid tissue necrosis)
- Replies: 13
- Views: 4992
Re: Help with stn and rtn (short-term and rapid tissue necrosis)
How old are those RO membranes of yours, and do you have any idea what your TDS is currently reading?