What are the ingredients ?

The HTH spa Clarifier contains cationic polymer, which clears dull, hazy water, improves filter efficiency. If you have additional questions, please feel free to reach out to our Consumer Engagement department at 866-484-7665. We're Here To Help, M-F, 9 AM - 7 PM, EST.

What quantity to use for the small hot tub?

I have a 500 gallon hot tub and I use 2 oz a week

Can you use this in a Inflatable hot tub?

Yes, you can use it in an inflatable hot tub, just be sure to use the correct dosage according to your volume of water. A clarifier basically chelates particles in your water so they can be filtered out through your pump. As long as your system is working properly, there should be not problem.

This work good on inflatable hot tubs?

Yes. I use it in my inflatable and have for about 2 years. Works great.

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HTH Spa 86121 Clarifying Concentrated Spa & Hot Tub Chemicals for Crystal Clear Water, 16 oz

HTH Spa 86121 Clarifying Concentrated Spa & Hot Tub Chemicals for Crystal Clear Water, 16 oz

Product ID: 725695914

Details

Brand
hth Spa
Item Form
Liquid
Item Weight
16 Ounces
UPC
073187861214

💧16 oz concentrated formula

♻️compatible with all spa chemistries

⚙️boosts filtration efficiency

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₩127276

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Elevate your spa game with crystal-clear confidence!

CONCENTRATED POWER - 16 oz of potent clarifier designed for long-lasting water clarity and fewer maintenance hassles.
HTH TRUSTED FORMULA - Part of the renowned HTH Spa routine, ensuring consistent, reliable water care.
CRYSTAL CLEAR EVERY TIME - Transforms dull spa water into sparkling clarity for a premium soak experience.
OPTIMIZED FILTRATION BOOST - Enhances your spa’s filtration system to keep water cleaner, longer.
UNIVERSAL SPA COMPATIBILITY - Works seamlessly with bromine, chlorine, and biguanide systems—no spa left behind.

HTH Spa 86121 Clarifier is a 16 oz concentrated formula designed to restore and maintain crystal-clear water in all types of spas and hot tubs. It improves filtration efficiency and is compatible with bromine, chlorine, and biguanide systems, making it an essential part of the HTH Spa water care routine.

Specifications

ASIN	B09RG87Z2B
Brand Name	hth Spa
Customer Reviews	4.7 4.7 out of 5 stars (1,489)
Global Trade Identification Number	00073187861214
Included Components	HTH Spa 86121 Clarifying Concentrated Spa & Hot Tub Chemicals for Crystal Clear Water, 16 oz
Item Form	Liquid
Item Type Name	Concentrated Spa & Hot Tub Chemicals for Crystal Clear Water
Item Weight	16 Ounces
Manufacturer	Innovative Water Care
Product Benefits	Restores crystal clarity in your spa water and improves filtration efficiency and is compatible with all spas. Part of the regular HTH spa routine
UPC	073187861214
Unit Count	16.0 Count

Reviews

C**T

Wow works great and cheap. It made the water cloudier the day I put it in, but then next day its crystal clear. Looks even better than a fresh fill somehow.

15.04.2026

A**R

It works as labelled

23.04.2025

D**C

Used another product originally and did not clear up water at all. Purchased and tried HTH Spa Clarifier. This product worked great. After first filtration cycle, there was a ring around the tub with much scum, assuming soaps and lotion in the water from suits and bodies. Wiped clean, changed filter and ran again. Same thing with ring around tub but water was very clear. Rinsed filter and ran one more time. Excellent results. Would recommend this product to make water crystal clear. Make sure to rinse filter or change out as noted above.

10.02.2026

M**K

Works well

11.09.2023

D**E

The package arrived, l opened it and the bottle had no cap on it. All it had was the cardboard seal which was starting to leak on prior to arrival. Obviously no quality control. Not sure if it works yet but still not impressed.

9.02.2024

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