Finally the biopellets started to work: zero nitrates 😀

[@MrJusduit]

I used Kolar Bio Pellets they work within 5 days! I have 70 gallon tank

[@youronlycow]

how long does it take for you to produce 200l of rodi water?

[@estebanjc1]

Its' workning? biopellets work good ? , i have 1 , start working a few weeks , i have to wait more i know ! but your bio reallly eork very good !?
NO3 = 0 with bio pellets !
i going to wait then !!