1. Is a snail egg case (likely of a beneficial dove snail). What snails do you have?
2. Is a Spirorbis tube worm. These are harmless filter-feeders that multiply rapidly in new tanks.
1. Is a snail egg case (likely of a beneficial dove snail). What snails do you have?
2. Is a Spirorbis tube worm. These are harmless filter-feeders that multiply rapidly in new tanks.