Chlorine Tablets for Hot Tubs, Spas & Swimming Pools – Slow Release 20g Trichloro Tablets – Available in 1KG, 2KG & 5KG – Pool Water Treatment

Slow Release Chlorine Tablets for Hot Tubs, Spas & Swimming Pools

Keep your pool, hot tub, or spa sparkling clean all season long with these professional-grade 90% trichloro chlorine tablets. Each 20g tablet dissolves slowly over 3–5 days, delivering a consistent, controlled release of chlorine that eliminates bacteria, algae, and contaminants without the hassle of daily dosing. Compatible with all standard skimmers, chlorine feeders, floaters, and floating dispensers, these tablets are the easy, effective choice for UK pool owners. Available in 1KG (50 tablets), 2KG (100 tablets), and 5KG (250 tablets) to suit every pool size and season.

Key Features

• 💧 90% Trichloro Formula – High-strength sanitisation eliminates bacteria, algae, and harmful contaminants
• ⏳ Slow Release Over 3–5 Days – Each 20g tablet dissolves gradually for consistent, long-lasting chlorine levels
• 🏊 Multi-Purpose Use – Suitable for swimming pools, paddling pools, above-ground pools, hot tubs, and spas
• 🪣 Floater & Feeder Compatible – Works with skimmers, chlorine feeders, floating dispensers (inlet: 6cm / 2.36")
• 📦 Flexible Pack Sizes – Choose 1KG (50 tablets), 2KG (100 tablets), or 5KG (250 tablets); each supplied in 1KG containers
• ✅ ISO9001 Certified – Quality-assured manufacturing for safe, reliable pool water treatment
• 📖 Easy-to-Follow Instructions – Clear packaging guidance makes application simple for beginners and experienced pool owners alike

Specifications

Frequently Asked Questions

Q: How many tablets do I need per week for my pool or hot tub?
A: As a general guide, use 1–2 tablets per 10,000 litres of water per week. Each tablet lasts 3–5 days, so adjust based on your pool size, usage, and water test results.

Q: Are these tablets safe for inflatable hot tubs and paddling pools?
A: Yes — these tablets are suitable for all inflatable hot tubs, paddling pools, above-ground pools, and spas. Always follow dosage instructions and test water regularly.

Q: If I order 2KG, will I receive one large container or two smaller ones?
A: You will receive two separate 1KG containers. The 5KG option comes as five 1KG containers for easy storage and handling.

Q: Do these tablets work with a floating dispenser?
A: Yes — the tablets are 1.5 inches in size and compatible with standard floating dispensers. The floater inlet measures 6cm (2.36 inches).

Q: Can these chlorine tablets be used as a gift for pool or hot tub owners?
A: They make a very practical gift for anyone with a garden pool, hot tub, or spa — especially at the start of the summer season.

Q: How should I store unused chlorine tablets?
A: Store in a cool, dry, well-ventilated place away from direct sunlight, heat sources, and other chemicals. Keep out of reach of children and pets.

Fast UK Shipping

Ships from our UK warehouse. Enjoy free delivery in 1–4 business days — no waiting, no import fees. Order today and keep your pool pristine with ShopVora UK.