Mixing up prime?

[skjl47]

Hello; To the OP. Back to my idea of mixing up enough for 30 days of water changes. How much water do you estimate you will change in a 30 day peroid?

 

[CarpCharacin]

Hello; To the OP. Back to my idea of mixing up enough for 30 days of water changes. How much water do you estimate you will change in a 30 day peroid?

I am not sure, but I am not going to mix it up because it is easy to use as the powder.