Question 1

how many gallons does a 16 oz. bottle treat?

Accepted Answer

I think it treats 250 gallons but the products website has detailed info and is a good read. I love the pre-g for gas. I don't run the truck for weeks at a time so it is good insurance. The pre-g refreshes and keeps gas for at least 3-4 years. Refreshes winter gas. So far I like it. I hope that helps. Good luck

Question 2

What is the shelf life of both the gas and diesel product?

Accepted Answer

Well that question depends on a couple factors.
One, your location, I've found that the closer you are to sea level the less condensation and breakdown occurs. 
Second, how you store it, say jugs or a tank in the ground.
The fuel itself....gas, figure a year, possibly more - untreated. Diesel, a couple years, again, untreated.
PRI-D and G, keeps that breakdown from happening. Remember with diesel, if its been sitting for a long time to filter it, it at times has the capacity to grow slime. Just use a nylon knee high, that works well.
Hope this helps some.

Question 3

Is this good for storing diesel over the winter. Does it stop algae and other diesel storage problems?

Accepted Answer

I add it to my 80 gallon tank in my shed as I fill it.  I use maybe 25 gallons a year.  I haven’t had algae problems but, the biggest thing is moisture - if you keep the water out of the fuel - you’ll be good.  I also add lubricity & cetane boost.

Question 4

if u over fill with this product,,, any issues?

Accepted Answer

Depends on how much you overfull, say a lot, like 2 or 3 times the amount.
All you need to do before you use it is cut it with more untreated fuel.
Hope this helps some.

ASIN	B0029012P6
Best Sellers Rank	#240,599 in Automotive ( See Top 100 in Automotive ) #179 in Fuel Additives
Brand	PRI
Customer Reviews	4.7 4.7 out of 5 stars (91)
Date First Available	May 7, 2009
Is Discontinued By Manufacturer	No
Item Weight	1.08 pounds
Item model number	117590
Manufacturer	OEM Replacement Parts
Manufacturer Part Number	PRI 16D
Model	PRI 16D
Product Dimensions	5 x 3 x 7.75 inches

Diesel Fuel Treatment PRI 16D

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Specifications

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