IM A NEWBI AT THIS , I HAVE 2 PLANTS IN DWC. 18 GAL, CHANGE EVERY WEEK, I GIVE IT PURE BLEND BLOOM, LIQID KARMA, CAL MAG. THE LEAVES DRY UP AFTER A WHILE.THERE BLOOMING RITE NOW. PLEAZZ HELLLPP!!!! ILL GIVE U MORE INFO, JUS REPLY MAN PLEASE.......:sad: