Bro! already reply your e-mail. Eh!! sifuy title cannot anyhow give one. Never use "magic water" how can be considered sifu.
Hahahaha...I also dont use "magic water" ma.Just only use clear water with wall algae and never need to change water lol.I have try new system and the result is very good indeed.
You just need a little modification and you are on the road to producing very good goldfish. I will e-mail you the details in a couple of days. Just came back from work. Very busy this few days.