Question 1

How much of this do you need and how often? How long will one bottle last?

Accepted Answer

I used about a cup per drain, the instructions says to use about 4 ounces that is half a cup. One bottle lasted about 4 applications for me because i used more but if you follow the instructions it should yield 8 aplications per drain. Check the pictures i posted in my review for more details. I used it for 2 days straight and it took care of the problem.

Question 2

Can this product  be used directly and effectively in toilets

Accepted Answer

You will usually see drain flies developing in a toilet only if the toilet is not used very often. Drain Gel probably won't be the best product to use in your situation. You can turn the water off to the toilet and flush it so that the bowl and the tank are empty. Thoroughly scrub both, paying special attention to the area under the lip of the bowl and the tank. Scrubbing and cleaning these areas will help eliminate the decaying organic matter that these flies need to breed and develop in. While the toilet is drained you can apply Invade Hot Shot Foam to the tank and the bowl and let it sit overnight to clean all of the cracks and crevices that you may not be able to clean properly. Invade Hot Shot would be a good choice because it will expand to cover all of the surfaces you need to treat. This may need to be repeated a few times before you get rid of all of the gunk that can build up over time. All drains in the infested room should be treated with either Invade Hot Shot or with Drain Gel.

Question 3

How long should it sit in sink before running the water?

Accepted Answer

I let it sit overnight. At a minimum several hours. Stuff works!!

Question 4

Is it safe for septic tanks?

Accepted Answer

Don't know don't have septic tank

ASIN	B00QTL13U0
Best Sellers Rank	#9,620 in Health ( See Top 100 in Health ) #36 in Household Drain Openers
Brand Name	American Bio-Systems
Customer Reviews	5.0 5.0 out of 5 stars (1)
Item Weight	1.02 kg
Liquid Volume	32 Fluid Ounces
Manufacturer	AMERICAN BIO
Product Benefits	Quickly and safely removes organic waste and odors
Scent	Unscented
UPC	727908744972
Unit Count	1.0 Count

DrainGel™, Non-Toxic Drain Cleaner With Bacillus Microbial Blend

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