I top feed recharge once a week. Like a pint per bucket. Microbes dont do well in water. They need air.

Looks like slimer from ghost busters flipping the bird

Added a float valve to the lid of the res bucket with a line run from my R/O system. Using Grow Dots this system is virtually hands free besides a once a week top watering for additions like Recharge and I like to add silica.

440 here