When I first started keeping reef tanks a long time ago there seemed to be much less awareness of certain pests that can infiltrate and harm a reef tank. “Back in the day” wild colonies were all the rage and reef keepers were not as diligent about checking for pests. Dealing with Red Bugs and AEFW (Acro Eating Flatworms) wasn’t even on my radar when I had my first 90 gallon reef and it took a while before it crept into my conscience when I had my 120 gallon reef. The 120 gallon reef was my best tank to date and it was dominated with large and colorful SPS that grew from small frags and colonies My 120 Gallon Reef Tank However, over time, a few acros didn’t look as colorful as others so I tried certain remedies like changing my lighting setup or doing more water changes but nothing seemed to help. MORE