Hi Guys/Gals,
I got a bit of a problem with red planaria flatworms in my PICO (25l)
A mate suggested using NEMARID DEWORMER.
I sucked up a few flatworm dropped them into 1l of water & added 2drops of nemarid. It seemed to kill about 80-90% of the worms.
Im just not sure how reef safe it is...