6mo Kush Bomb Dwc Grow

Really healthy leaves, however salt buildup starting to become evident on the roots, been giving occasional flushes with tap water that still has chlorine, and 40ml of h202 then the next day giving the next weeks bucket with 6mL of hydrogaurd and 3/4tsp of Great White (Every bucket) Have to change bucket every 2-3 days, at 3 days it’s damn near empty.