Reply To: Blue Staining in TubThe Tank › Blue Staining in Tub › Reply To: Blue Staining in Tub January 31, 2020 at 8:32 am #24738 nickkozParticipantThanks Randy. Iâ€™m not by any means blaming the rod, Iâ€™m just stumped on the cause. Just trying to get my customer done type of answer. Thanks for anybodyâ€™s help!!