Quote:
Originally Posted by travelin texans
The gauge you add on to the bottle similar to the mounted one pictured aren't worth the $$. I bought 2 a few years back for each bottle & found that they told me 2 things; full & empty.
Spend the dough on the changeover regulator & check it periodically.
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The problem with any aftermarket gauge is they work off of pressure. Propane, being a captured "gas" in liquid form, is that it will always have the same pressure, give or take a small amount for large temperature swings. That beign said, by the time the "pressure" gauge shows lower, it is empty or darn near empty.
You would need a tank with a float valve installed to get accurate level readings.