---
product_id: 212297243
title: "SpaGuard Spa pH Increaser - 18 Oz"
brand: "spaguard"
price: "฿6206"
currency: THB
in_stock: false
reviews_count: 5
category: "Spa Guard"
url: https://www.desertcart.co.th/products/212297243-spaguard-spa-ph-increaser-18-oz
store_origin: TH
region: Thailand
---

# Residue-free clarity Fast dissolving formula Precise pH control SpaGuard Spa pH Increaser - 18 Oz

**Brand:** spaguard
**Price:** ฿6206
**Availability:** ❌ Out of Stock

## Summary

> 💧 Elevate your spa game with flawless pH balance!

## Quick Answers

- **What is this?** SpaGuard Spa pH Increaser - 18 Oz by spaguard
- **How much does it cost?** ฿6206 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/212297243-spaguard-spa-ph-increaser-18-oz)

## Best For

- spaguard enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Convenient:** 18 oz size fits easily in your spa maintenance kit without clutter.
- • **Dissolves in a Flash:** Quickly integrates into your water without any gritty leftovers.
- • **Trusted by Thousands:** 4.8-star rating from over 4,200 spa enthusiasts proves its reliability.
- • **SpaGuard Quality Assurance:** Backed by a decade of spa care expertise for peace of mind.
- • **Balance Your Spa Like a Pro:** Effortlessly maintain optimal pH levels for a perfect soak every time.

## Overview

SpaGuard Spa pH Increaser (18 oz) is a fast-dissolving, residue-free formula designed to precisely raise and stabilize spa water pH. With a stellar 4.8-star rating from over 4,200 users, it ensures a balanced, comfortable soak while fitting neatly into your maintenance routine.

## Description

Great prices on your favourite Gardening brands, and free delivery on eligible orders.

Review: I rarely need pH increaser, as my tub tends to rise in pH, but I've found this to be effective when I've needed it.
Review: This is a great-quality pH increaser that dissolves quickly and works exactly as intended. It raises the pH efficiently without leaving residue behind. A solid, dependable choice for maintaining balanced spa water.

## Features

- Causes serious eye irritation.
- Harmful if inhaled.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BF8DYKI |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,293) |
| Date First Available | 14 Nov. 2012 |
| Item model number | BIO42240 |
| Manufacturer | SpaGuard |
| Part number | BIO42240 |
| Product Dimensions | 7.62 x 7.62 x 25.4 cm; 498.95 g |

## Product Details

- **Brand:** SpaGuard
- **Item form:** Liquid
- **Item weight:** 499 g
- **Product benefits:** Ph Increaser
- **UPC:** 017541422406

## Images

![SpaGuard Spa pH Increaser - 18 Oz - Image 1](https://m.media-amazon.com/images/I/31W-CKxDplL.jpg)
![SpaGuard Spa pH Increaser - 18 Oz - Image 2](https://m.media-amazon.com/images/I/41DNpgv2SLL.jpg)
![SpaGuard Spa pH Increaser - 18 Oz - Image 3](https://m.media-amazon.com/images/I/41wXd5gQ68L.jpg)
![SpaGuard Spa pH Increaser - 18 Oz - Image 4](https://m.media-amazon.com/images/I/511uilrb2CL.jpg)
![SpaGuard Spa pH Increaser - 18 Oz - Image 5](https://m.media-amazon.com/images/I/51VRGRUuzBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 4 January 2026*

I rarely need pH increaser, as my tub tends to rise in pH, but I've found this to be effective when I've needed it.

### ⭐⭐⭐⭐⭐ Review
*by B***A on 2 December 2025*

This is a great-quality pH increaser that dissolves quickly and works exactly as intended. It raises the pH efficiently without leaving residue behind. A solid, dependable choice for maintaining balanced spa water.

### ⭐⭐⭐⭐⭐ Review
*by J***E on 12 December 2025*

Easy to use and worked just fine.

## Frequently Bought Together

- SpaGuard Balance pH Increaser for Spas & Hot Tubs, 18 oz (1.12 lbs/510 g)
- SpaGuard Spa Total Alkalinity - 2 Lb
- SpaGuard Enhanced Shock (2 lb)

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**Shop now:** [https://www.desertcart.co.th/products/212297243-spaguard-spa-ph-increaser-18-oz](https://www.desertcart.co.th/products/212297243-spaguard-spa-ph-increaser-18-oz)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-28*