Blue Horizons Small 20g Chlorine Tablets 5kg

Blue Horizons 20g Chlorine Tablets 5kg – Small Slow-Dissolving Pool Tablets

Blue Horizons 20g small chlorine tablets are ideal for smaller pools, hot tubs, and spas. This 5kg tub contains approximately 250 tablets, providing excellent value for regular pool sanitisation. The stabilised formula protects against UV degradation, ensuring effective chlorine levels even in sunny conditions.

Why Choose 20g Tablets?

Smaller 20g tablets are perfect for smaller pools and hot tubs, or for pool owners who want more precise dosing control. They’re designed for use in floating dispensers and dissolve gradually over 3-5 days depending on water flow and temperature.

Key Features

• Slow Dissolving – Releases chlorine gradually over 3-5 days
• Stabilised Chlorine – UV stabilised to minimise loss to sunlight
• 5kg Value Tub – Approximately 250 tablets per tub
• Small Tablet Size – 20g tablets for precise dosing
• For Dispensers Only – Use in floating dispenser (not skimmers)
• Hot Tub Compatible – Ideal for hot tubs and spas

Specifications

How to Use

1. Test pool water – adjust pH to 7.2-7.6 if needed
2. Place tablets in a floating dispenser
3. Adjust dispenser vents to control dissolve rate
4. Maintain chlorine levels between 1-3 ppm (mg/l)
5. You may need to shock dose initially to establish chlorine levels

Dosage Guide

• Above-ground pools (up to 15,000 litres): 2-4 tablets
• In-ground pools (30,000-60,000 litres): 6-10 tablets
• Hot tubs (1,000-1,500 litres): 1-2 tablets

Important Notes

• Always use a floating dispenser – never add directly to pool
• Never mix with other chemicals
• Store in cool, dry conditions
• Keep out of reach of children

Free UK delivery on all chemical orders.