Like everyone else I bought this with low expectations. But it worked great when I used "Method #2" to clean up. They list it on their website but not on the bottle. It's ok, the bottle is small. Method 2 pretty much involved me throwing the whole bottle in a loop. For Method 1, mix it with a gallon of water, then fill the loop with the mixture. My results were good with Method 2. Worked for 48 hours, required a lot of block staining and sectioning. The tube is fine, without some decently toxic chemicals complete stain removal from the tube is unlikely. For β¬5 I think it's worth it. I'm sure a lot of people skip method #2 because they don't know about it and that could be reasons for some of the smaller reviews.
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