[streetsmart73]

Originally Posted by Aro77

Thanks bro, i also have been using seachem prime all these years with no issue, however recently i had a tank wipe out, on a 4 2 2 , friends told me it's a seachem prime issue, but im still using it for my larger tanks and touch wood no issue, after hearing about your WC, im convinced it's not a Seachem issue but perhaps more towards the water issue on that particular day of WC..

what is your dosage for your water change bro ?

For 70% of the 422: not more than 5ml of seachem prime