Daphnia in my system

[Colin Harding]

Hi guys

I seem to have a bloom of Daphnia in my grow profiles and my system, should I be concerned for my lettuce? i know my fish must be loving them.

Thanks

Colin.

[Robert C. Wood]

so long as your numbers for A, N2,N1 and ph are not effected I would not be worried because Daphnia feed on plankton both photo, and zooplankton.