Oct 12, 2021 #1 patfat Active Member View Badges Joined Jan 26, 2017 Messages 461 Reaction score 91 Location TX Rating - 0% 0 0 0 Any one have the screw size for the back of the hydra 26hd? Where the flex arm would screw into.
Oct 12, 2021 #2 blaxsun 10K Club member View Badges Hospitality Award My Tank Thread My Aquarium Showcase Joined Dec 15, 2020 Messages 26,709 Reaction score 31,208 Location The Abyss Rating - 0% 0 0 0 Did you look in the parts manual?
