Siemens dishwashers (Germany), part of the BSH group with Bosch, are renowned for iQDrive, Zeolith Drying, and openAssist technologies. To ensure smooth operation and maximum water/energy efficiency, you need to select the correct dishwasher tablets, salt, and rinse aid. This article provides detailed instructions.
1. Technical Characteristics of Siemens Dishwashers
Siemens has four main series:
- iQ100/iQ300: Mid-range, basic.
- iQ500: Most popular, with Zeolith Drying in some models.
- iQ700: High-end, full range of technologies.
- iQ800/Studio Line: Top-tier, with Wi-Fi, varioSpeed Plus.
Key technologies affecting dishwasher tablets:
- iQDrive Motor: Precise motor, requires tablets that don't produce excessive foam.
- Zeolith Drying: Requires EU-standard rinse aid for optimal drying efficiency.
- Aqua Sensor: Automatically adjusts water based on turbidity → requires tablets that dissolve evenly and don't clump.
- varioSpeed Plus: Reduces cycle time by 66% → tablets must work quickly with strong enzymes.
2. Why are cheap tablets not suitable for Siemens?
Siemens shares technological standards with Bosch, making it "picky" about dishwasher tablets:
- Cheap Asian tablets often contain too much foaming agent → causing E15 error.
- Weak enzyme formula → not strong enough for varioSpeed Plus.
- Incompatible with Aqua Sensor.
3. Largo tablets for Siemens dishwashers
3.1. For iQ100/iQ300 (without Zeolith)
Largo Classic 60 tablets – 229,000 VND:
- Simple, economical 2-in-1 formula.
- 3,800 VND/tablet.
- Requires additional salt + rinse aid.
3.2. For iQ500/iQ700/iQ800 (with Zeolith)
Largo All In One 40 tablets – 219,000 VND:
- Premium 7-in-1 formula.
- Contains glass protect → protects glassware during high-temperature washing.
- Optimized for dishwashers with varioSpeed Plus (short cycles).
- 5,500 VND/tablet.
4. Dishwasher salt for Siemens
Siemens standardized its water softening system with Bosch → requires pure salt.
→ Largo German Salt 2kg – 175,000 VND
How to adjust water hardness on Siemens:
- Turn on the dishwasher in settings mode.
- Press “Function” and select “Water Hardness”.
- Adjust hardness level H:1-H:7 depending on the region (Hanoi: H:4, Ho Chi Minh City: H:3).
5. Rinse aid for Siemens with Zeolith
Rinse aid must not be omitted for Siemens dishwashers with Zeolith – as it directly impacts drying efficiency.
→ Largo Rinse Aid 1000ml – 189,000 VND
How to adjust rinse aid level on Siemens:
- Default level is 4.
- If water spots remain on dishes: increase to 5-6.
- If there are streaks on glasses: decrease to 3.
6. "Siemens Optimum" Combo
→ Largo Combo 3 – 555,000 VND (Classic 60 tablets + Salt 2kg + Rinse Aid 1L)
Benefits for Siemens dishwashers:
- Saves 38,000 VND.
- Complete set of 3 consumables for optimal iQDrive performance.
- Ensures full activation of "premium" technologies like Zeolith, openAssist.
- Lasts 2-3 months for a family of 4.
7. Comparison of Bosch vs Siemens from a dishwasher tablet perspective
| Factor | Bosch | Siemens |
|---|---|---|
| Tablet standard | EU | EU (identical) |
| Salt requirement | Pure NaCl | Pure NaCl |
| Rinse aid requirement | Anti-spotting polymer | Anti-spotting polymer + glass protect |
| Largo Recommendation | Classic or All In One | Classic (iQ300), All In One (iQ500+) |
8. Tips to keep your Siemens dishwasher looking new
- Once a month: run the “Machine Care” program with 1 Largo All In One tablet.
- Clean the filter screen weekly.
- Monitor salt and rinse aid warning lights.
- Use the Trial Kit for 9,000 VND to "test" both lines before committing to a combo purchase.
9. Conclusion
Siemens and Bosch share BSH's technological DNA → identical dishwasher tablet standards. Largo, directly imported from Germany with a REX code, benefits from EVFTA tax incentives for prices 25-40% better than Finish/Somat – an economical choice without compromising quality.
Purchase and consultation: www.sieutietkiem.com or www.largo.vn