Have you tested your Silicate level? I dosed for two weeks before I started testing and realized I had to be dosing daily about 4x more than what I was. I dealt with prorocentrum for a couple months and have been completely dino free for about 6 weeks. I've done water changes and fed aminos and still no sign of dinos.
How do I battle prorocentrum? I have tried silica dosing to no avail (11 days continuously and not a single diatom seen through microscope). Adding a UV and blowing the rocks have helped a