Hello - Water ?
I've added my live rock and sand to my 3 gallon pico.
I've ran it with lights on 10hrs a day.
Lights Current 12" 18w 2-lamp system
AquaClear 70 with skimmer and fuge.
Ranco ETC temp controller (heater/fan)
Top-off.com Dual NEW micro float switches.
It has...