Gallons per hour is one thing. The amount of water you have to push is completely different. Its like a honda civic on a flat ground vs a honda civic going over the grape vine towing something.
Tomato clown - 7 years. 4 different tanks and two tank moves from Bay Area to bellflower , bellflower to sylmar. "Big Red". She's a mean sob but gotta keep her !
I've had the two little fishes mod, REef octopus, and aquamaxx. Aquamaxx is by far the better design IMO . Plus no extra chord or pump to run it since it's on a manifold.
bio pellet question.
Heavy to me is chefs frozen food, reef Roids , coral frenzy, pellets, oyster feast and more sometimes daily all on 180 gallon total water with 20 fish.
If you run gfo with pellets you hender the bio pellets productivity. Once I said F it and took gfo offline. Phosphate and nitrate have been 0 and I feed like crazy.