use softscrub to clean it with.
I rarely clean mine and get accurate measurements from grow to grow. I always rinse with fresh water right after using it.

Did you not buy the hilarious little cleaning kit that comes with it? It looks like the world's cheapest travel toothbrush and toothpaste. I think any old toothbrush would work fine.

Oh, iwhat i meant was in between using softscrub to clean with it like once a week, is it okay to just rinse it with tap water and use an ordinary cloth to wipe it dry?

Lets say 5 days straight use tap water to clean and cloth to dry. Then 1 day use softscrub to clean

I feel certain that would be fine. You're softscrub-bing it more than I do.

Ok thanks! I wanted to make sure because the instructions seemed like fussy on the cleaning. So i guess its ok to just rinse it with a cloth dry and soft scrub once in a while