Your Melissani M1 Countertop Reverse Osmosis Water Purifier is designed for easy, long-lasting use—but like all high-performance systems, it thrives with a little regular care. Follow this simple maintenance guide to keep your M1 running at its best, ensuring you always get fresh, clean, great-tasting water.
Routine Maintenance Schedule
Every 2 Weeks – Quick Clean
- Run a cleaning cycle: Press and hold the “Clean” button for 3 seconds.
- Empty and rinse the water tank with warm, soapy water, then refill with fresh tap water.
- Wipe the spout and outer surfaces with a damp, soft cloth.
Every 1–2 Months – Deep Clean
- Run a full cleaning cycle.
- Rinse thoroughly with clean water.
- Follow up with 2 additional flush cycles using fresh water.
After Storage or Travel
- Remove the filters and water tank.
- Clean all removable parts.
- Run 2–3 cleaning cycles before resuming use.
Cleaning Individual Components
Water Tank
- Remove the tank, empty it, and clean with mild dish soap and warm water.
- Rinse thoroughly to prevent soap residue.
- Air dry fully before reassembling.
Floater
- Gently clean with warm, soapy water.
- Ensure it moves freely to prevent "No Water" errors.
Spout
- Wipe daily with a damp cloth.
- For a deeper clean, remove if detachable and wash with warm, soapy water.
Drip Tray
- Remove, rinse, and clean every week or as needed.
- Let it air dry before reinserting.
Filter Replacement
The M1 features a smart Filter Life Indicator that tells you when it’s time to replace:
| Filter Type | Replacement Cycle |
|---|---|
| CF & PAC Filters | Every 6 months |
| RO Membrane | Every 12 months |
👉 Tip: Subscribe to the Melissani Filter Club to get automatic filter delivery with 10% off and an extended warranty.
Signs You Need Maintenance
- Water tastes or smells off
- Decreased flow rate
- Error codes or blinking lights
- Frequent beeping
- Visible buildup in the tank or spout
If you experience any of the above, start with a cleaning cycle or replace your filters. Still having issues? Contact our support team for troubleshooting.
Safe Cleaning Products
-
Mild dish soap
Use on external surfaces and removable water tanks. Do NOT pour into internal filtration chamber. -
White vinegar
Use diluted to clean external tanks or drip trays. DO NOT pour directly into system. -
Citric acid
Safe for descaling external tanks or parts labeled dishwasher-safe. -
Hydrogen peroxide (3%)
Can be used for sanitizing water tanks or surfaces. Avoid running through internal system.
Avoid:
- Harsh detergents or degreasers
- Ammonia-based cleaners
- Abrasive scrubbing powders
- Scented or dyed products
- Alcohol-based sanitizers
- Bleach
Always Unplug Before Maintenance
Before cleaning any internal components or removing parts, always unplug the machine from the wall for your safety. Only plug it back in once everything is fully dry and reassembled.
Final Thoughts
Maintaining your Melissani M1 doesn’t take much—but it makes all the difference. A little care every few weeks will keep your purifier working like new and delivering the clean, healthy water your family depends on.