I just cycled a 29 gallon in hopes of making it a cichlid tank soon. I too have multiple tanks 6.5, 20H, 20L, 29 and 72B but have never had cichlids. Naturally have high pH so that is a plus.
My son has a community 15H that looks great. Footprint same as 10 only taller.
Sent from my XT1585...