My interior is a combination of teak and teak veneer. The previous owner used a heavy dose of Murphy's Oil Soap on it and it is quite dark. Any good suggestions to lighten it up so I can then varnish? I spoke with the Snappy Teak cleaner folks and they said to dilute their product with water, which seems to work but is leaving some pretty good streaks. Plus I'm not so sure I want to use that on the pieces I can remove. Thanks