The stainless blade seems to remove a full 65mm width strip of algae from the glass with a single pass, whereas other blades seem to miss patches & start to deteriorate after a few uses.
Modern Reef BIODiversity will diversify & boost the microfauna in your reef aquarium, from bacteria to filter feeders & copepods to out-compete & feed on unwanted pests that may take over your reef aquariums.