Oscar 90

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💰 From €6.99 |150 Liters |Keeps machine safe | 2 Litre tank

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The best way to keep trouble-free is to prevent lime from getting into the boiler.

The best solution is:

  • Filter jug with a carbon block (like Brita or Best max ) + water softner.
  • Mineral bottled water + water softener.


Bilt Oscar Softens 150 litres at standard hardness - for up to 2 liter tanks. The Oscar water softener from Bilt is a revolutionary anti-scale system designed for small coffee machines with a built in water tank reservoir. 

Just leave in the tank and let the Bilt Oscar do the rest. It converts the calcium and magnesium ions passively, into sodium ions - basically removes the harmful  mineral buildup which is so damaging to coffee machines.

How to use:

  1. Remove protective packaging
  2. Rinse with cold water to activate the granules.
  3. After rinsing insert into empty water tank reservoir
  4. Fill tank almost to the top with water.

German Degrees French degrees Softens Water Type
5 KH   9°Fr 450 Litres Low hardness
15 KH 27°Fr 150 Litres Standard hardness
25 KH 45°Fr    90 Litres Very hard water 


  • Oscar bilt cannot be used inside a boiler - only the cold water tank.
  • Oscar bilt cannot be regenerated and should be replaced at least 6-12 months.
  • Oscar bilt cannot be used on plumbed machines 

120 x 100 mm  

FDA Certified

Bilt specifications

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