WAS STRUGGLING WITH MY WATER AS IT WAS EC READIND OF 0.8.SO REVERTED TO R.O. UNIT.EVERYTHING FINE TILL 4WKS LEFT TO TRIM AND WHOLE LOT WENT TO PYTHIUM.SUM1 SAID COS I HAD CLEANED THE WATER TO MUCH AND IT WAS MORE PRONE TO GETIN DISEASES,MY CLAIM IS USED EVERYTHING I NEEDED TO TO PREVENT THISSO WAS IT THE CUT,WATER OR WHAT .BINN HYDRO HEAD 10 YEARS NEVER HAD THIS PROBLEM.