Feb 15, 2019 #1 O OutsideBrian Active Member View Badges Joined Feb 27, 2014 Messages 480 Reaction score 403 Rating - 0% 0 0 0 What is this thing? Noticed it on some rubble in my sump. Tank is still cycling. Top of the dark round rock center of picture.
What is this thing? Noticed it on some rubble in my sump. Tank is still cycling. Top of the dark round rock center of picture.
Feb 15, 2019 #2 VB313 Valuable Member View Badges Hospitality Award My Tank Thread Joined Jul 22, 2018 Messages 1,012 Reaction score 2,524 Rating - 0% 0 0 0 Yup
