Do you dose all at once or throughout the week?
Some dose daily as other once a week.
I had a member asking if twice a week would work too.
IMO, twice a week would work too but I never tried that.
I'm now on a weekly dose of 40ML, never had cyano or any other bad algae for that matter.
When I was dosing on a daily schedule I had to clean my glass every other day.
Now I just need to clean it twice a week on my weekly dosing schedule.