Small curved red lines

BoxersOrBReefs

New Member
View Badges
Joined
Jun 12, 2023
Messages
2
Reaction score
1
Location
North Carolina
Rating - 0%
0   0   0
I downsized my neglected tank today to something more manageable, but I see these small red lines in the sand near where I placed some old hermit shells. What are these?
IMG_7434.jpeg
IMG_7435.jpeg
 

Ingenuity against algae: Do you use DIY methods for controlling nuisance algae?

  • I have used DIY methods for controlling algae.

    Votes: 40 47.6%
  • I use commercial methods for controlling algae, but never DIY methods.

    Votes: 19 22.6%
  • I have not used commercial or DIY methods for controlling algae.

    Votes: 19 22.6%
  • Other.

    Votes: 6 7.1%
Back
Top