Zakko wrote:
Is it alright to use washing soda (sodium bicarbonate) to clean and
degrease the emulsion paint on an interior wall before repainting?

I don't want to buy sugar soap just for this one job and I have lots of
washing soda.

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Is it true I should not use Flash because it leaves a shine of slippery
silicates and emulsion paint will not adhere well to this?

You could buy a single sachet of sugar soap - 50g for 55p (incl. vat!).
If that is too much, perhaps you should consider spending even less
money by not buying emulsion paint either?

I promise you that having lots of something is no reason to use it
inappropriately. E.g. I have lots of mud in the garden, sawdust in the
garage, gravel on the drive, PVA in the shed. I wouldn't use any of them
for cleaning a wall.

--
Rod

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