AeroForce AP from CPR Aquatic goes old school with wooden airstones

[youtube]http://www.youtube.com/watch?v=mQsYymURwlk[/youtube] The CPR Aquatic AeroForce AP is going old school replacing the aspirating pump from the previous AeroForce model with airstones to generate a respectable abundance of fine air bubbles.  CPR has always done the hang on back (HOB) skimmers…