NO.put water in bucket.PH adjust to 5.5-5.9 NO NUTES forget round 300-NO NUTEs!No NUTES ur nute crazy!after adjusted take ppm.Record ppm.Dip-remove letting sit 4 20 secs,remove.Do this 3 times then record ppm.Change bucket(res,whatever)and ph 5.5-5.9 NO NUTES NO NUTES NO NUTES.Record ppm.Were gonna remove nute build up from rockwool (pray the integrity of the wool is not compromissed).Once the ppm is in the same ball park after dips as before,then build up is removed.We will start @ 500 ppm and SLOWLY SLOWLY SLOWLY work our way 100 PPM's @ a TIME every 4 dayz.And growth will resume in bout 2-5 dayz!
I hate flushin,more is not always better!