---
product_id: 741679742
title: "86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16oz"
brand: "hth spa"
price: "25973 Ft"
currency: HUF
in_stock: true
reviews_count: 5
category: "Hth Spa"
url: https://www.desertcart.hu/products/741679742-86121-clarifier-concentrated-spa-and-hot-tub-chemical-for-crystal
store_origin: HU
region: Hungary
---

# compatible with all spa systems 16oz concentrated formula boosts filter efficiency 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16oz

**Brand:** hth spa
**Price:** 25973 Ft
**Availability:** ✅ In Stock

## Summary

> 💦 Elevate your soak with spa water so clear, you’ll never want to get out!

## Quick Answers

- **What is this?** 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16oz by hth spa
- **How much does it cost?** 25973 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/741679742-86121-clarifier-concentrated-spa-and-hot-tub-chemical-for-crystal)

## Best For

- hth spa enthusiasts

## Why This Product

- Trusted hth spa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Routine Ready:** Integrate into your regular HTH Spa care for effortless, consistent water perfection.
- • **Filter’s Best Friend:** Enhances filter performance to keep your spa water pristine and inviting.
- • **Crystal Clear Every Time:** Transforms dull spa water into sparkling clarity for a premium soak.
- • **Power-Packed Concentration:** Small 16oz bottle delivers maximum cleaning punch for long-lasting freshness.
- • **Universal Spa Compatibility:** Works seamlessly with bromine, chlorine, and biguanide systems—no spa left behind.

## Overview

HTH Spa 86121 Clarifier is a concentrated 16oz liquid formula designed to restore crystal-clear water in all types of spas and hot tubs. It improves filter efficiency and is compatible with bromine, chlorine, and biguanide systems, making it an essential part of any regular spa maintenance routine for a superior soaking experience.

## Description

The HTH Spa Clarifier is a must-have for any spa or hot tub owner. This concentrated formula helps to bring crystal clarity back to dull water, making for a more relaxing soaking experience. The strong cleaner is formulated to improve performance and increase filter efficiency, keeping your water clean and clear. HTH Spa Clarifier is compatible with all spas, including spas that use bromine, chlorine and biguanide systems. For best results, use HTH Spa Clarifier as part of your regular HTH Spa care routine. With HTH you are all bright and ready to relax in your spa or hot tub!

Review: Bought this clarifier to use in my overall spa care routine. Large bottle makes it a good value for the money. Has been functioning as well as any other products I’ve used with no obnoxious smell. Keeps my water crystal clear. Will buy again when I run out.
Review: It works as labelled

## Features

- BENEFIT: Use this concentrated formula to bring crystal clarity back to boring spa or hot tub water and enjoy a more relaxing experience
- STRONG CLEANING: Concentrated formula that ensures your spa or hot tub is ideal for long soaking
- IMPROVES PERFORMANCE: Increases filter efficiency to keep your water clean
- Compatible with all spas: HTH Spa Clarifier is great for all spas, including bromine, chlorine and biguanide
- YOU ARE ALL CLEAR WITH HTH: Use HTH Spa Clarifier for best results as part of your regular HTH Spa care routine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09RG87Z2B |
| Brand | HTH Spa |
| Country of Origin | USA |
| Department | unisexe-adulte |
| Generic Name | Concentrated Spa & Hot Tub Chemical for Crystal Clear Water |
| Global Trade Identification Number | 00073187861214 |
| Included Components | HTH Spa 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16oz |
| Item Dimensions LxWxH | 6.2 x 6.2 x 19.9 Centimeters |
| Item Form | Liquid |
| Item Weight | 453 g |
| Item model number | 86121 |
| Manufacturer | Innovative Water Care |
| Net Quantity | 453.5924 Grams |
| Number of Items | 1 |
| Product Benefits | Restores the crystal clarity of the spa water, improves filtering efficiency, compatible with all spas, part of the regular HTH Spa care routine |
| Product Dimensions | 6.25 x 6.25 x 19.94 cm; 453.59 g |
| UPC | 073187861214 |

## Product Details

- **Brand:** HTH Spa
- **Item Form:** Liquid
- **Item Weight:** 16 Ounces
- **UPC:** 073187861214

## Images

![86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16oz - Image 1](https://m.media-amazon.com/images/I/61lxdOVtgNL.jpg)

## Questions & Answers

**Q: What are the ingredients ?**
A: 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.

**Q: What quantity to use for the small hot tub?**
A: I have a 500 gallon hot tub and I use 2 oz a week

**Q: Can you use this in a Inflatable hot tub?**
A: 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.

**Q: This work good on inflatable hot tubs?**
A: Yes. I use it in my inflatable and have for about 2 years. Works great.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***R on 13 November 2025*

Bought this clarifier to use in my overall spa care routine. Large bottle makes it a good value for the money. Has been functioning as well as any other products I’ve used with no obnoxious smell. Keeps my water crystal clear. Will buy again when I run out.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 23 April 2025*

It works as labelled

### ⭐⭐⭐⭐⭐ Review
*by E***L on 13 August 2025*

This stuff worked miracles. Hot tub was chemically balanced but I could not clear the haze. I tried another clarifier and the water did not clear. This worked within 4 hours.

## Frequently Bought Together

- HTH Spa 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16 oz
- HTH Spa 86134 Clear Chlorinating Sanitizer, Spa & Hot Tub Chemical Controls Bacteria and Algae, 2.25 lbs
- HTH Spa 86135 Non Chlorine Shock Oxidizer, Spa & Hot Tub Chemical Clears Cloudy Water, 2.25 lbs

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-08*