So, my approach now will be:
- a good ro/di
- digital pH meter
- copper test kit
- ammonia binder
Anything else pressing?
I'll test again tonight when I get home. I have water prepped and will be 24 hour old by then so will do another smaller water change. Probably 20% at most.
Thank you again for your help! Everyone looks alive this morning so it's already a better day than yesterday.
