I think all are right.
Changing 7 pails of water per month too drastic for my fishes.
I have reduced to 2 pails per 2 weeks. Hopefully can cushion the changes.
Firstly, your anthias eat liquid food?
You don't want to cone back with your tank filled with uneaten liquid food!
You better try first.
Can get those from Madpetz in single pack type. CAn store in room temp.
I did purchased directly for china once last year for a led system.
But the fan was a bit noisy. Is yours?
Their led are comparable to the more expensive brands?..
Can pm me the price? Yours seems has more functions then mine.
Mine only 2 light switch blue n white.