Nov 24, 2018 #1 H highlite2nice Community Member View Badges Joined Jan 24, 2016 Messages 81 Reaction score 34 Location orlando, FL Rating - 0% 0 0 0 I have a bunch of black sponges spreading. Pic is not good they are smooth and very hard to remove looks like it had pores. Is this a problem? Is there a solution?
I have a bunch of black sponges spreading. Pic is not good they are smooth and very hard to remove looks like it had pores. Is this a problem? Is there a solution?
Nov 24, 2018 #2 James M . View Badges Excellence Award Reef Tank 365 Joined Jul 6, 2018 Messages 9,265 Reaction score 12,822 Rating - 0% 0 0 0 Black sponges are invasive and you should scrape them off the rock
Nov 24, 2018 #3 vetteguy53081 Well known Member and monster tank lover View Badges Partner Member 2024 Excellence Award Reef Tank 365 RGB Article Contributor Tampa Bay Reef Keepers West Palm Beach Reefer Hospitality Award Ocala Reef Club Member 305 Reef Club Wisco Reefers Midwest Reefer Fish Medic MAC of SW Florida Rock Pool Reef Keepers R2R Secret Santa 2023 My Tank Thread My Aquarium Showcase Joined Aug 11, 2013 Messages 96,707 Reaction score 215,505 Location Wisconsin - Rating - 100% 15 0 0 Scrape them, cover them with kalk paste and try a small angel which should feed on sponge.