Keep the manual
Regeneration and maintenance vary by system.
Record service and consumables
Date notes make unusual changes easier to notice.
Watch for unexpected water changes
Changes in taste, staining or performance may justify professional review.
Do not generalize water treatment
Local water chemistry and private-well issues require appropriate testing and advice.
Safety boundary. This site is for planning, observation and records. Do not improvise electrical, fuel-burning, structural, roof-height or other hazardous work. Follow manufacturer instructions, applicable codes and qualified professional guidance.