The biggest thing about ripples, or the lack of is the ability for the water to exchange the CO2 created in the water with fresh O2. You can rely on your skimmer to do this or an air stone, but as many have found out when things like their skimmer quite, they soon have sick/dieing fish.
Using a powerhead is the best/cheapest way to do this gas transfer. So I would always recommend it.
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Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite)
Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker
Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO)
Type of Aquarium: mixed reef (SPS & LPS) with fish
Dosing: Mg, Ca, Alk
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