why?

I’ve had my small 20 gallon cube running well for a year and everything has done amazing and growing, but over the last couple of days a couple of the corals have been unhappy. My Goni and hammer won’t open, and the foot on my hammer is getting smaller. Also one of my purple polyp corals won’t...

"Imagine a society where every act of kindness is a coral, each unique and vibrant, coming together to build an intricate reef of connection—each life intertwined, creating a resilient, radiant ecosystem of hope." My love for reef keeping draws a parallel between the delicate balance of...

Dimmable is not required, but does anyone make T5 lighting fixtures with a square dimension? I am playing with the idea of lighting 36" cube but want the light to match the ratio of the the tank. None of the lighting options I could find fit the bill - again more curiosity at this point than...