Hi, I want to know are you guys still using Prodibio on your sps tanks. I want to try this type bacteria dosing as me have limited space for refuguims. On one forum they say one doesnt have to run phosphate media, well this going to save me in time. Can I run a sump with just a skimmer and activated carbon. I want to dose the Biotim and Biodigest once a week on my 100 galllon tank. Will this help to colour up the sps too?