Ok, I have pretty much tried everything for the algae problem. I tried all the algae fixes i.e.
https://www.amazon.com/dp/B0002APIIW?ref=ppx_yo2ov_dt_b_fed_asin_title
Seachem Stability Fish Tank Stabilizer
API MARINE ALGAEFIX Algae Control
ReefHD Reef Flux Anti-Fungal Treatment
Nothing is working. Is a blackout the last resort? If so, how many days and after does the algae return? Let me know all your thoughts. Thankshttps://www.amazon.com/dp/B0002APIIW?ref=ppx_yo2ov_dt_b_fed_asin_title