BLACK POND

25 9:51:07

Question

POND I RECENTLY TURNED MY ULTRAVIOLET LIGHTS BACK ON TO GET RID OF ALL MY GREEN ALGEA, NOW I HAVE BLACK WATER???CAN YOU GIVE ANY SUGGESTIONS? A PHOTO IS ATTACHED.
THANKS
GREGG

Answer
Dear Gregg,

Thank you for the question.
I think by viewing that this can be dead algae.
Do you have some prefilter in your system like a sieve or vortex?
This should be sufficient in combination with a biological filter.

Kind regards and happy pondkeeping,
Raf