how to use to descale plumbing

I use it to clean my tankless water heater. I have a pump and a bucket, and I hook hoses to the cold and hot water flush connections supplied with the water heater. The other end of one hose is connected to the pump output, and the other is inserted in the bucket for return flow. I put a full quart of the Flow-Aide in the bucket, then fill with water to cover the pump. Open the vlaves, turn the pump on and recirculate for about 30 to 45 minutes.There's probably other de-scaling uses for this product, but it would likely require a recirculation setup to be effective.

Does this product contain vinegar?

The container does not list the ingredients; it does say it is biodegradable.

Can you use this in a washing machine? Dishwasher?

Yes, this should be fine for that and the Flow-Aide is: Non-Corrosive, Non-Toxic, Fully Biodegradable, Safe to Handle, Zero V.O.C. You may want to first consult the manufacturer of the product you are descaling but you should be fine. GlobalTowne is an authorized J.C. Whitlam distributor.

Has anyone used this in a regular water heater (not tankless)? We have a 50 gallon with a lot of sediment. Tried vinegar but it didn't work.

No. Only used on gas tankless unit. I assume the main potential issue would be the amount you'd need to cycle the right dilution through that 50 gallon tank...and any potential negative issues with the anode tube and elements. I'd find something particular to a tank water heater. Good luck!

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J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) , White

Product ID: 9342428

Details

Brand
J.C. Whitlam
Item Form
Liquid
Material Feature
Biodegradable
Scent
Lemon

🧪32oz powerful liquid descaler

♻️100% biodegradable & non-toxic

⚙️NSF/ANSI 60 certified for potable water

€ 78.40

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Description

⚡ Restore Efficiency, Save Money & Go Green with Every Flush!

ECO CONSCIOUS FORMULA - Non-corrosive, fully biodegradable, and safe to handle—clean with confidence.
DIY FRIENDLY MAINTENANCE - Simple, cost-saving solution for annual tankless water heater flushes—no plumber needed.
EFFORTLESS SCALE REMOVAL - Quickly dissolves lime, rust & water deposits to restore appliance efficiency.
VISIBLE RESULTS INDICATOR - Color change during use confirms effective descaling for peace of mind.
CERTIFIED SAFE FOR DRINKING WATER - NSF/ANSI 60 certification ensures safe use in potable water systems.

J.C. Whitlam FLOW32 Flow-Aide System Descaler is a 32oz liquid solution designed to quickly dissolve water scale, lime, and rust deposits in appliances, especially tankless water heaters. Its non-toxic, non-corrosive, and fully biodegradable formula is NSF/ANSI 60 certified for use in potable water systems, making it safe and eco-friendly. Ideal for DIY maintenance, it features a color change indicator to confirm effective cleaning, helping extend appliance lifespan while saving on costly professional services.

Specifications

ASIN	B00E5P5XFS
Best Sellers Rank	#20,029 in Health & Household ( See Top 100 in Health & Household ) #285 in All-Purpose Household Cleaners
Brand	J.C. Whitlam
Brand Name	J.C. Whitlam
Cleaning Agent Formulation	Acid
Customer Reviews	4.5 out of 5 stars 2,073 Reviews
Global Trade Identification Number	00688544325393
Included Components	FLOW32
Item Form	Liquid
Item Type Name	Flow-Aide System Descaler ,32 ounces (1 quart)
Item Volume	32 fluid ounces
Item Weight	1.9 pounds
Manufacturer	J.C. Whitlam
Material Feature	Biodegradable, Non-Toxic
Material Features	Biodegradable, Non-Toxic
Model Number	FLOW32
Number of Items	1
Part Number	FLOW32
Scent	Lemon
Size	32 Fl Oz (Pack of 1)
Special Features	Non Toxic
Specific Uses For Product	certified to NSF/ANSI 60 for use as a cleaner in potable water systems. FLOW-AIDE® is NSF registered for use in beverage, pharmaceutical, bottling, poultry, and other food processing plants. Specific Uses For Product certified to NSF/ANSI 60 for use as a cleaner in potable water systems. FLOW-AIDE® is NSF registered for use in beverage, pharmaceutical, bottling, poultry, and other food processing plants. See more
Surface Recommendation	Tankless water heaters
UPC	688544325393
Unit Count	32 Fluid Ounces

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€ 78.40

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Netherlands.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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