Originally Posted by George7941
The 4l jug of Rust Cure is $65, which works out to over $16/l. Are these rustproofing oils that expensive to manufacture?
It's not about manufacturing costs, it's about people buying the product and I have a feeling very few people DIY rustproofing. TSC is a tractor supply store geared towards farmers, they are more likely to rustproof their farm equipment themselves, but it is still a small market.
But then, Krown will want between $120 and $150 from you depending on the size of the vehicle and depending on the shop, may not even do that great of a job. That $65 jug is more than enough to do one vehicle and from my experience, I used the most product during the first application, subsequent ones used much less.
But, If you want an even cheaper rustproofing oil, check out Monarch Oil in Kitchener. I paid about $20 +tax for a 4L jug of their stuff. From talking to them, they make it by themselves and sell it to local farmers, heavy equipment operators and plow truck owners, that is why it's so cheap.
It's good for undercarriage, but too thick for doors, trunk etc. So I used Rust Cure in cans to treat those areas.