Suggest pa drill mo na lang tank mo for over flow. Ganyan gamit ko dati, pvc ovrflow. Sakit ng ulo pag nawala yun siphon at wala ka sa bahay. Flood, over heat na pump and dead fish.
Google mo calfo or coast to coast overflow design. Ok din at least 2 yun overflow pipe incase mag clog yun isa. Mas maganda din siya tingnan kesa pvc overflow and better surface skimming.
Not sure din kun pang samantagal yun stand. From carti din?
Imo, mas ok sun dried na rocks para walang risk sa pest. Tapos i seed mo na lang na isang small live rock from an established tank, eventually magiging live din yun system. Pero since andyan na, inspect mo na lang mabuti for any pest.
Dont rush din yun cycling.
For fish google mo compatability chart for saltwater fish. Research mo din recommended tank size, diet, level of aggressiveness and kun reef safe if you plan to have corals.
Some common ones are goby, firefish, cardinals, foxface, tangs,