A air diffuser versus air stone. Airstone Reviews or what is the best airstone for aquarium.
Notice the fizzing from the diffuser. That’s the key difference. Both do the job, but the diffuser does more mirco bubbles, which mean more surface area breaking surface tension.
Please considering supporting true aquatic professionals and also support the patented ATI sponges. Not the China knock offs that are a couple dollars cheaper.
ATI are 5x better in the amount of bacteria they’ll hold and are USA made. Lets keep the aquatic industry moving forward and not give it over to cheap Chinese law breaking large business.
Much more information about ATI Hydro Sponge:
Resource for purchase: