is it okay to rise off this after it has been applied?

Yes give it a few minutes to work and then rinse. Remember to mix it with water to apply.

Will this kill any mold on the coils? Can I spray down the interior if I see mold in there as well to good effect?

John, I can't speak to mold, and I don't believe you'll find it referenced in the directions either. I can say it is a very effective coil cleaner. If your sure it's mold I would mix some water and bleach in a spray bottle. Be a lot cheaper. Good luck

How is this for treating musty odor or dirty sock syndrome? We read concentrated pine oil might help too. We already tried foam cleaner & rinse.

I am dealing with this now. A York heat pump system. Did you even find a solution to dirty sock syndrome for your system?

is this good for indoor?

Hmmm, this is coil cleaner. Can it be used to clean coils indoors? Sure, if you've got indoor coils it will clean them. Just spray it on and you're good to go. I vastly prefer to rinse it off when I'm done, but the label says you don't have to.

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Nu-Calgon 4168-08 Evap Pow'r No Rinse Coil Cleaner

Product ID: 3608254

Details

Brand
Nu-Calgon
Item Form
Liquid
Item Volume
1 Gallons
Scent
Natural
Specific Uses For Product
Coil

🧴No-rinse formula saves time

🧼Powerful coil cleaning action

🇺🇸Made in USA quality

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€ 137.33

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧴 Clean coils, clear air, zero hassle—power your system the smart way!

MADE IN THE USA - Proudly manufactured domestically, guaranteeing high standards and reliability you can trust.
TRUSTED BY PROFESSIONALS - Ranked #316 in Commercial All-Purpose Cleaners with a 4.4-star rating from over 500 users—join the savvy pros who rely on it.
EFFORTLESS NO RINSE CLEANING - Skip the rinse and get back to business faster with a formula designed for efficiency and convenience.
SAFE ON SENSITIVE COMPONENTS - Gentle on plastic pans and coils, ensuring your HVAC system stays intact and performing at its best.
PLEASANT NON INTRUSIVE SCENT - Leaves a fresh, clean smell that fades quickly—no harsh chemical odors to disrupt your workspace.

Nu-Calgon 4168-08 Evap Pow'r No Rinse Coil Cleaner is a US-made, no-rinse cleaning solution designed specifically for evaporator coils. It safely removes dirt and grime without damaging plastic components, features a pleasant scent, and is highly rated by industry professionals for its effective, time-saving formula.

Specifications

ASIN	B000R7ZS08
Best Sellers Rank	#76,562 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #304 in Commercial All-Purpose Cleaners
Brand Name	Nu-Calgon
Contains Liquid Contents?	Yes
Customer Reviews	4.4 4.4 out of 5 stars (525)
Global Trade Identification Number	00783961284619
Item Form	Liquid
Item Volume	1 Gallons
Item Weight	4.54 g
Manufacturer	APR Supply Co.
Model Number	4168-08
Number of Items	1
Part Number	3578410
Scent	Natural
Size	128 Fl Oz (Pack of 1)
Special Features	No Rinse
Specific Uses For Product	Coil
UPC	681001416801 783961284619
Unit Count	128.0 Fluid Ounces

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