tubhub Spa Hardness Increaser 1kg

Product Overview

As a retailer of hot tub spare parts and maintenance products, I present this professional-grade hardness increaser in convenient 1kg containers. This pack of six provides an essential solution for maintaining proper calcium levels in spas and hot tubs.

What is Hardness Increaser?

This specialized calcium chloride formula is designed specifically for spa and hot tub use, helping to raise and maintain proper water hardness levels. Correct hardness prevents corrosion and scale formation while protecting equipment.

Key Benefits

• Fast-dissolving formula
• Prevents equipment damage
• Balances water chemistry
• Scale prevention
• Clear water maintenance
• Easy measurement
• Spa-specific sizing

Technical Information

This professional-grade product provides precise hardness adjustment while maintaining overall water balance in spa environments.

Application & Usage

For optimal results:

Standard Adjustment:

• Add 15g per 1,000L to raise by 10ppm
• Pre-dissolve in water
• Add while jets running
• Test after 4 hours
• Adjust if necessary

Major Correction:

• Maximum 30g per 1,000L per dose
• Wait 4 hours between doses
• Maintain circulation
• Retest before additional doses
• Monitor pH levels

Technical Specifications

Specification	Detail
Weight	1kg (Pack of 6)
Active Ingredient	Calcium Chloride
Purity	>97%
pH Impact	Neutral
Appearance	White Granules
Solubility	High
Dissolution Rate	Quick
Shelf Life	3 years
Storage Temperature	0-30°C
Usage	Spa/Hot Tub Specific

Safety Features

• Non-irritating formula
• Equipment friendly
• Non-staining
• Pre-measured dosing
• Low dust
• Easy handling

Storage & Handling

• Keep containers sealed
• Store in dry place
• Avoid moisture
• Use clean scoop
• Original container
• Protect from heat

Water Chemistry Benefits

Maintains:

• Proper mineral balance
• Equipment protection
• Surface protection
• Water stability
• Corrosion prevention
• Scale prevention

Usage Tips

• Test before adding
• Pre-dissolve product
• Add during circulation
• Never mix chemicals
• Allow mixing time
• Regular testing

Target Parameters

Maintain these levels:

• Calcium Hardness: 150-250 ppm
• pH: 7.2-7.6
• Total Alkalinity: 80-120 ppm
• TDS: Below 1500 ppm

Ideal Applications

Perfect for:

• Home spas
• Hot tubs
• Swim spas
• Exercise spas
• Therapy pools
• Small pools

Additional Benefits

• Convenient size
• Precise measurement
• Professional grade
• Quick dissolving
• Cost-effective
• Spa-specific formula

Best Practices

• Regular testing
• Gradual adjustment
• Proper circulation
• Complete dissolution
• Accurate dosing
• Record keeping

Always test water chemistry before and after application. Follow recommended dosage guidelines for optimal results.

Maintenance Tips

• Weekly testing
• Regular balancing
• Monitor changes
• Keep records
• Clean equipment
• Maintain schedule

Follow proper safety procedures and maintain regular water testing routine.

Prevention

• Consistent monitoring
• Early adjustment
• Proper maintenance
• Equipment care
• Regular testing
• Water balance

Safe for all spa surfaces and equipment when used as directed.