Bryposis or HA

[boehm742]

This comes in regard to a friends tank. Can anyone confirm which of the two it is and please express how you'd battle it. I have my thoughts but I'd like yours as well before I get back to him. I've included a photo of the area in his tank.

 

[mrcoffee2]

Looks like HA. Lower phosphates is my suggestion. Pick up a hannah digital phosphate checker to measure them quickly and accurately

 

[kacrocorals581]

looks like hair

 

[Reefing Madness]

Hair Algae.
Sea Hare
Lowering Nitrates and Phosphtes to near undetectable levels.
3 day lights out.
Huge CUC, snails.