I haven’t used hardener in it. But I’ve only painted interior parts so far. I may use hardener on the exterior. It uses ALK-201 hardener. I haven’t found that in anything smaller than a quart. At 1:15 mix ratio I’d have a LOT leftover. wink


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.