Recoton, which owned the brand, went bankrupt in April and sold its accessories business to Gemini Industries. Discwasher doesn't appear anywhere on Gemini's website. I suspect the market for inexpensive record cleaners is even smaller than the market for inexpensive turntables (many of which are bought by people who don't bother to clean their records). So I wouldn't be surprised if they just discontinued it.
If you've got the brush, just use distilled water. Works about as well, frankly.
If you've got the brush, just use distilled water. Works about as well, frankly.