I currently run the DAPMH15 and I LOVE IT! It is super quiet and ONLY 15 watts! I've heard those Coralife Luft pumps are loud and not as powerful! I'd suggest the DAPMH15 ...... But I plan on picking up the DAPPH30 next, esp. for $99!What about the DAPMH15 or DAPPH30 at Jehmco ?