Sorry for the really poor picture under blue lights, but I have a sudden outbreak of a string like organism in my tank, it seems to have white seeds attached to it. My tank is still in its early stages only 3 months old numbers are good apart from PO4 which is 0.7 and falling, treated every day with Quantum at the required dosage. All was fine today after a 20% water change 8 hours later this appeared in lots of places in the tank



