dark

Title says it all, looking to see those dark colored purples almost black if blacks possible and deep almost ox blood reds / darkness , ive been looking at a few places and I have my eyes on a few pieces but I was hoping to see some more variety of whats out there potentially, my alkalinity runs...

GEO Cryptic Biological Reactor (CBR), loaded with MarinePure ceramic media balls. For those that don't know, a cryptic reactor is used for high-capacity nitrifying filtration. Water passes around and through the media, allowing the beneficial nitrifying bacteria that has colonized the media to...