Hot Tub Things® Metal Out (16 fl oz) – Spa & Hot Tub Stain & Scale Preventer

$22.50

Hot Tub Things® Metal Out (16 fl oz) – Spa & Hot Tub Stain & Scale Preventer

$22.50
Description
Hot Tub Things Metal Out prevents and removes metal stains and scale buildup in spas and hot tubs. Protects equipment and surfaces from discoloration and mineral damage.

Product Description

  • Hot Tub Things® Metal Out is a professional-grade chelating formula that binds and removes dissolved metals such as iron, copper, and manganese from spa water.

  • Regular use prevents stains, discoloration, and scale buildup on spa surfaces, jets, and heater components.

  • Ideal for start-up water treatment when filling your spa or after adding new source water.

  • Helps maintain heater efficiency by preventing calcium and mineral scale formation.

  • Compatible with chlorine, bromine, ozone, and saltwater systems.

  • The concentrated 16 fl oz bottle treats multiple fills and provides lasting protection against hard-water damage.

Product Specification

Brand Hot Tub Things
SKU 30213
Dimensions 2.5″ × 2.5″ × 8.5"
Barcode 850511004284
Weight 1.2 lb
Chemical Type2 Stain & Scale
Chemical Form Liquid

FAQ

Q: When should I add Metal Out?

A: Add during initial fill or refill to prevent stains and scaling, and weekly for ongoing protection.

Q: Will it remove existing metal stains?

A: Yes. It can help lift mild surface staining over time with consistent use.

Q: Is it safe with bromine or chlorine sanitizers?

A: Yes. It’s compatible with all standard sanitizer systems.

Q: Can I use this in saltwater or ozone systems?

A: Yes. It’s safe for salt, ozone, and mineral-based water-care systems.

Q: Does it affect water clarity?

A: No. It helps maintain clear, clean water by preventing metal precipitation.

Directions

Shake bottle well before use.


For newly filled spas, add 2 oz of Metal Out per 250 gallons of water with the circulation system running.


For maintenance, add 1 oz per 250 gallons weekly to control metals and scale.


Allow spa water to circulate for at least 30 minutes after dosing.


For heavy metal or discoloration issues, double the initial dose and run jets for 1 hour.


Continue routine water testing and maintain balanced pH (7.2 – 7.8) for best results.

Customer Reviews

Based on 177 reviews
55%
(97)
45%
(80)
0%
(0)
0%
(0)
0%
(0)
S
Sam R.
Will buy again

Really impressed by how fast it arrived. Works just like it should.

C
Chris N.
Highly recommend

Very happy with this purchase. The materials feel solid and it fits perfectly.

S
Sydney T.
Works perfectly

It’s been a few weeks and everything still runs smoothly. Great value.

E
Elliot H.
Will buy again

Exactly what I needed. It works better than the original part that came with the spa.

S
Skylar K.
Great quality!

Outstanding quality and fast shipping. This product exceeded all expectations.

Free Standard Shipping

on any order $100+ (exceptions apply)

Authorized OEM Dealer

purchase parts with confidence

30 Day Risk-Free Returns

new returns self portal made simple

100% Secure Payment

now accepting Apple & Google Pay
American Express Apple Pay Diners Club Discover Google Pay Mastercard Shop Pay Visa