---
product_id: 17405401
title: "Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb"
brand: "hot tub things"
price: "€ 62.54"
currency: EUR
in_stock: true
reviews_count: 8
category: "Hot Tub Things"
url: https://www.desertcart.hr/products/17405401-hot-tub-things-ph-up-alkalinity-increaser-spa-water-balancer
store_origin: HR
region: Croatia
---

# Fast-acting, efficient dosing Compatible with all spa systems Precise pH & alkalinity balance Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb

**Brand:** hot tub things
**Price:** € 62.54
**Availability:** ✅ In Stock

## Summary

> ♨️ Elevate your spa game—because balanced water is the new luxury.

## Quick Answers

- **What is this?** Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb by hot tub things
- **How much does it cost?** € 62.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/17405401-hot-tub-things-ph-up-alkalinity-increaser-spa-water-balancer)

## Best For

- hot tub things enthusiasts

## Why This Product

- Trusted hot tub things brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Save Time & Chemicals:** High-quality formula means less product needed for faster, longer-lasting water balance.
- • **Effortless Spa Water Mastery:** Keep your hot tub’s water perfectly balanced with minimal effort and maximum clarity.
- • **Universal System Compatibility:** Works seamlessly with chlorine, bromine, and mineral purifiers for pools and spas up to 2000 gallons.
- • **Trusted Quality, Proven Results:** Backed by 30+ years of industry expertise, delivering superior spa water performance you can rely on.
- • **Precision Dosing, Zero Guesswork:** Step-by-step instructions ensure exact alkalinity adjustments every time—no more trial and error.

## Overview

Hot Tub Things pH Up Alkalinity Increaser is a premium 1 lb spa water balancer designed to raise alkalinity and stabilize pH levels efficiently. Compatible with all major hot tub systems including chlorine, bromine, and mineral purifiers, it supports pools and spas up to 2000 gallons. Trusted by professionals for over 30 years, this fast-acting formula simplifies water maintenance, ensuring crystal-clear, corrosion-free water with minimal product use.

## Description

desertcart.com : Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb | Supports Balanced Water Levels, Compatible With Chlorine, Bromine, And Mineral Systems, Ideal For Pool And Spa Maintenance : Patio, Lawn & Garden

Review: Good value, great quality. - I’d say this increaser is higher quality than what I’ve used before, meaning I use less of it but get quicker results. A little goes a long way. I’ve owned hot tubs for over 30 years and have used everything from every major brand. With spa chemicals, you usually get what you pay for. In the last year, I’ve been so impressed with the quality of their products that I started using this brand almost exclusively. 2 thumbs up.
Review: Great Product - I used this for pH control in the Hot Tub and it works Great.

## Features

- BALANCED WATER, EVERY TIME - Keep your hot tub's water perfectly balanced with Hot Tub Things’ alkalinity increaser. It effectively raises alkalinity and stabilizes pH, ensuring your spa water remains clear, clean, and ideal for relaxation, with minimal maintenance.
- WORKS WITH ALL HOT TUB SYSTEMS - Whether you use chlorine, bromine, or mineral purifiers, our alkalinity increaser is designed for compatibility with various spa systems. Suitable for hot tubs and pools up to 2000 gallons, it ensures efficient water treatment across all systems.
- EASY TO USE & MAINTAIN - Hot Tub Things’ alkaline increaser offers a straightforward approach to spa care. Simply add the correct amount during your routine water checks. With effortless application, keeping your spa water in optimal condition is quick and hassle-free.
- SIMPLIFIED WATER MANAGEMENT - Achieve precise alkalinity adjustments with ease. Our step-by-step instructions guide you through the process, ensuring accurate dosing for consistent results. Enjoy balanced water chemistry without the guesswork, so your spa is always ready for relaxation.
- EXPERIENCE RELIABLE QUALITY - Backed by over 30 years of industry expertise, Hot Tub Things offers high-quality spa products trusted by professionals. Our alkalinity increaser helps maintain your spa water at peak performance, giving you a superior spa experience with every use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FNYBYMS9 |
| Best Sellers Rank | #52,236 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #129 in Swimming Pool Balancers |
| Brand | Hot Tub Things |
| Brand Name | Hot Tub Things |
| Customer Reviews | 4.6 out of 5 stars 649 Reviews |
| Item Form | Liquid |
| Item Highlight | Supports Balanced Water Levels, Compatible With Chlorine, Bromine, And Mineral Systems, Ideal For Pool And Spa Maintenance |
| Manufacturer | Hot Tub Things |
| Manufacturer Part Number | 850511004239 |
| Model Number | 850511004239 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Benefits | Alkalinity Increaser, pH Increaser, Prevents Corrosion |
| UPC | 850511004239 |
| Unit Count | 16 Ounce |

## Product Details

- **Brand:** Hot Tub Things
- **Item Weight:** 2.1 Pounds
- **Item Form:** Granular
- **Product Benefits:** Corrosion,Alkalinity Increaser
- **UPC:** 850511004246

## Images

![Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb - Image 1](https://m.media-amazon.com/images/I/71z2L21OxWL.jpg)
![Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb - Image 2](https://m.media-amazon.com/images/I/313tT9o0VoL.jpg)
![Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb - Image 3](https://m.media-amazon.com/images/I/81tMEKh022L.jpg)
![Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb - Image 4](https://m.media-amazon.com/images/I/81RUdxmoU4L.jpg)
![Hot Tub Things pH Up Alkalinity Increaser Spa Water Balancer 1 lb - Image 5](https://m.media-amazon.com/images/I/81zdjMGAKdL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good value, great quality.
*by L***O on January 11, 2020*

I’d say this increaser is higher quality than what I’ve used before, meaning I use less of it but get quicker results. A little goes a long way. I’ve owned hot tubs for over 30 years and have used everything from every major brand. With spa chemicals, you usually get what you pay for. In the last year, I’ve been so impressed with the quality of their products that I started using this brand almost exclusively. 2 thumbs up.

### ⭐⭐⭐⭐⭐ Great Product
*by M***H on May 22, 2024*

I used this for pH control in the Hot Tub and it works Great.

### ⭐⭐⭐⭐⭐ This product works great!
*by D***M on April 29, 2019*

My husband and I are new hot tub owners and buying this product made it really easy to care for our tub. The directions are easy to follow and the product works almost instantly. The product arrive in a timely fashion too. I recommend this to anyone who cares for a hot tub!

## Frequently Bought Together

- Hot Tub Things pH Up & Alkalinity Increaser for Hot Tub, Pool & Spa – pH Plus & Alkaline Up, Alkalinity Booster, Maintain Balance Water Quality & Prevent Corrosion – Spa pH Increaser – 2 Pounds
- Hot Tub Things Spa Water Clarifier - Clears Cloudy Water, Improves Water Clarity & Softness, Enhances Spa Quality, Reduces Impurities, Fast-Acting Hot Tub Treatment - 32 Ounce
- Hot Tub Things Chlorine Granules for Hot Tub & Spa, Quick-Dissolving Chlorinating Concentrate Disinfectant & Oxidizer, Pool Sanitizer & Shock Treatment for Clean Water, Sodium Dichlor Powder, 2 lbs

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**Shop now:** [https://www.desertcart.hr/products/17405401-hot-tub-things-ph-up-alkalinity-increaser-spa-water-balancer](https://www.desertcart.hr/products/17405401-hot-tub-things-ph-up-alkalinity-increaser-spa-water-balancer)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-19*