what is the cheapest aquarium light

[newbie676767]

just wondering what the cheapest lights were for zoos and maybe an anemone

 

[Miami Reef]

How big is the tank?

 

[TangerineSpeedo]

Both of those can require a lot of light depending. To answer your question though is a good quality used light.
You should also include your tank size...

 

[SudzFD]

Smatfarm LEDs on Amazon. I grow sps with them.