---
product_id: 186771975
title: "Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb"
brand: "puri tech"
price: "S$407"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/186771975-puri-tech-swimming-pool-granular-calcium-cal-hardness-increaser-plus
store_origin: SG
region: Singapore
---

# Fast-dissolving premium granules for quick action Raises calcium hardness to prevent corrosion Accurate dosage chart for pools 2,000-20,000 gallons Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb

**Brand:** puri tech
**Price:** S$407
**Availability:** ✅ In Stock

## Summary

> 💦 Elevate your pool game with crystal-clear confidence!

## Quick Answers

- **What is this?** Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb by puri tech
- **How much does it cost?** S$407 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/186771975-puri-tech-swimming-pool-granular-calcium-cal-hardness-increaser-plus)

## Best For

- puri tech enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Water Balance:** Fast-dissolving granules ensure your pool chemistry is corrected swiftly and evenly every time.
- • **Effortless Precision:** Clear, easy-to-follow dosage chart takes the guesswork out of pool maintenance for any size pool.
- • **Dual-Pack Convenience:** Two 20 lb bags provide flexible, manageable portions for consistent, hassle-free treatments.
- • **Optimal Water Quality:** Keeps calcium hardness balanced to reduce scaling, foaming, and cloudy water—because your pool deserves the best.
- • **Crystal Clear Confidence:** Maintain pristine pool surfaces by preventing etching and corrosion with boosted calcium levels.

## Overview

Puri Tech Swimming Pool Granular Calcium Hardness Increaser comes in two 20 lb bags of fast-dissolving granules designed to quickly raise calcium levels in pools from 2,000 to 20,000 gallons. This premium formula prevents surface etching, corrosion, and equipment damage while maintaining optimal water quality by reducing scaling, foaming, and cloudiness.

## Description

Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb

## Features

- Boosts Calcium Levels – Raises calcium hardness to prevent surface etching, corrosion, and equipment damage caused by low calcium in pool water.
- Fast-Dissolving Granules – Premium formula dissolves quickly and evenly for fast, effective water balance correction.
- Includes 2 x 20 lb Bags – Conveniently packed for easy handling, measuring, and storage between treatments.
- Accurate Dosage Chart – Clear dosage guide included for pools from 2,000 to 20,000 gallons to simplify application.
- Protects Water Quality – Helps maintain optimal hardness levels to reduce scaling, foaming, and cloudy water issues.

## Product Details

- **Brand:** Puri Tech
- **Item Weight:** 40 Pounds
- **Item Form:** Granular
- **Product Benefits:** Prevents Scales
- **Unit Count:** 640 Ounce

## Images

![Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb - Image 1](https://m.media-amazon.com/images/I/61br3ztW9JL.jpg)
![Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb - Image 2](https://m.media-amazon.com/images/I/51PyElbTq+L.jpg)
![Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb - Image 3](https://m.media-amazon.com/images/I/51LOiVn8ZKL.jpg)
![Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb - Image 4](https://m.media-amazon.com/images/I/61NHHU1CH9L.jpg)
![Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb - Image 5](https://m.media-amazon.com/images/I/61tgtgE81QL.jpg)

## Frequently Bought Together

- Puri Tech Swimming Pool Granular Calcium Cal Hardness Increaser Plus 40lbs - 2 Bags of 20lb
- PuriTech Stabilizer Conditioner Cyanuric Acid UV Protection for Swimming Pools and Spas (25lbs)
- In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. 81292

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**Shop now:** [https://www.desertcart.sg/products/186771975-puri-tech-swimming-pool-granular-calcium-cal-hardness-increaser-plus](https://www.desertcart.sg/products/186771975-puri-tech-swimming-pool-granular-calcium-cal-hardness-increaser-plus)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-08*