👋! Yes, Seiryu can be used in Cichlid setups. Because you’re probably looking for a higher pH vs a traditional freshwater setup, you’re less likely to have significant water parameter changes which can come from more acidic water dissolving the calcium in these rocks over time.
Fair point - this video was intended to just be an overview of what you get when you buy a box from us so as a customer you can see the quantity and quality. That said, I like the idea of a separate video on this topic. Look for that coming. Thanks for the feedback!