Thank you for this info. It looks like I’ll need to invest in a UV sterilizer then if I want to bring my tank to the next level and not have to ever worry about dinos again.UV size - 3watt per gallon
flow thru UV - 2x to 3x total tank volume
UV took 2-3 days to remove dinos from my live rock. About 1-1.5 months to remove amphidinium dinos on the sand by dosing silicate. Dino’s really aren’t that big of an issue when you have the right equipment needed for it.
I don’t recommend raising Po4 and No3 to overly high levels - maybe < .1 and 5-10ppm.
Do not vacuum the sand.