We have a log home that was stained in natural color sikkens log and siding in 2000 and again in 2008. We have just washed off dark spots with tsp and bleach. We are being told that the sikkens product has changed due to environmental reasons and after being purchased by PPG. Our painter is suggesting we use a latex semitransparent stain called wooduck by harrisons paints out of canton Ohio. Our home is in northern Michigan. Do you know this product? Do you think sikkens has changed. We want to