P pisces 12 New member Apr 20, 2021 #1 If i scrape off colonial hydroids off my live rock inside my tank without siphoning out will they spread or will they just die :uzi:
If i scrape off colonial hydroids off my live rock inside my tank without siphoning out will they spread or will they just die :uzi:
Sugar Magnolia Mother of Dachshunds Staff member RC Mod Apr 20, 2021 #2 They will spread. Take the rock out and scrub in a bucket of tank water then rinse in another bucket or two of tank water.
They will spread. Take the rock out and scrub in a bucket of tank water then rinse in another bucket or two of tank water.