Dec 31, 2018 #1 D droidus Active Member View Badges Joined Jun 2, 2018 Messages 285 Reaction score 50 Rating - 0% 0 0 0 What are these white spots in my tank?
Dec 31, 2018 #2 Crabs McJones Regional Reef Manager (AKA Revhtree's Boss) View Badges Staff member Super Moderator Ultimate Member Reef Squad Reef Squad Leader Partner Member 2026 Excellence Award Reef Tank 365 R2R Secret Santa 2024 R2R App User Article Contributor Hospitality Award Reef Tank 365 Boss Wisco Reefers My Aquarium Showcase Joined Jul 24, 2017 Messages 33,594 Reaction score 153,869 Location Wisconsin Rating - 100% 3 0 0 Are they hard? If so spirorbid worms