I made a major upgrade last month. All bold items are new and just bought last month from jourdy.
Here is my new specs
TANK SPECS:
80gallon rimless tank made by Mang Ramon
Lights: 2 Radions Gen 1Pumps:Rio HF 14
Jebao Wavemaker wp40DIY dosing pump
Main Filtration: 14 watts ATS 18hours daily photoperiod
FAN
backup equipments. (only if neccesary)
Chiller: Hailea HC-300A
RO XP-2000 (only when water is getting cloudy)Resun Pump for chiller
Dosing 2 part calcium+iron daily
strontium and iodine weekly.
Temp ranges 27C to 29C
In this setup, I've done 2 30% waterchange since last year.