Chlorine Chemicals Starter Kit with Floating Dispenser
For Hot Tubs, Lay-Z-Spa & Swimming Pools
No.1 Chlorine Chemical Set is a complete hot tub and swimming pool chemical starter kit designed to keep water clean, clear, and hygienic. This all-in-one chlorine kit includes chlorine tablets, pH control chemicals, water test strips, and a floating dispenser, making it ideal for both first-time users and regular maintenance.
Suitable for hot tubs, Lay-Z-Spa inflatables, and swimming pools.
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✅ Key Benefits
•Complete chlorine chemical starter kit
•Ideal for hot tubs & swimming pools
•Maintains clean, clear, and safe water
•Helps prevent bacteria, algae, and cloudy water
•Protects pumps and equipment
•Easy to use – perfect for beginners
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What’s Included in the Kit
•Chlorine Tablets – 1kg (50 x 20g tablets)
Multiplex 3-in-1 tablets with chlorine, stabiliser & flocculant
•pH Minus – 1.6kg
•pH Plus – 1kg
•Water Test Strips (50 strips)
Tests Free Chlorine, pH & Total Alkalinity
•Floating Chlorine Dispenser – 13cm
For 20g chlorine tablets
•Chemical User Manual
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Chlorine Tablets – Product Information
MASTERsil Multiplex Chlorine Tablets (20g) are slow-dissolving, high-performance tablets designed for hot tubs and swimming pools.
•90% available chlorine
•Slow release over 3–7 days
•Contains chlorine stabiliser to reduce chlorine loss
•Includes flocculant to help clear cloudy water
•Tested for effectiveness against bacteria, viruses & fungi
✔ Use in a floating dispenser or skimmer
❌ Never place tablets directly into the hot tub or pool
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How to Use – Quick Start Guide
Step 1: Shock Dose (New Water)
After filling your hot tub or pool, add a shock dose to remove bacteria and contaminants.
•Add 1 chlorine tablet into the filter
OR
•Use chlorine granules – 2 scoops
Do not use the hot tub during shock treatment.
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Step 2: Test Water After 24 Hours
Wait 24 hours, then test water using the test strips.
Ideal levels:
•pH: 6.8 – 7.6
•Free Chlorine: As recommended
Adjust pH or chlorine levels if required.
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Step 3: Weekly Chlorine Maintenance Dosage
Chlorine Tablet Dosage (20g tablets):
•Hot Tub – 800 litres (4 persons):
2 tablets per 7 days
•Hot Tub – 1000 litres (6 persons):
3 tablets per 7 days
•Swimming Pool – 4,500 litres:
4 tablets every 7–10 days
•Swimming Pool – 7,500 litres:
7 tablets every 7–10 days
Always use tablets in a floating dispenser.
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pH Control Products
pH Minus
Lowers pH when water is too alkaline. High pH can cause eye irritation, cloudy water, and reduce chlorine efficiency.
pH Plus
Raises pH when water is too acidic. Low pH can cause corrosion of metal parts.
Maintaining correct pH is essential for effective water treatment.
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Safety Information
•Always test water before use
•Never add chlorine tablets directly into the hot tub or pool
•Use biocides safely
•Always read the product label and instructions before use
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Suitable For
✔ Hot tubs
✔ Lay-Z-Spa, Intex pure spa
✔ Inflatable spas
✔ Swimming pools
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🌐 www.hottubireland.ie
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Rating is 5.0 out of five stars based on 6 reviews
€79.40 Regular Price
€68.40Sale Price
Sales Tax Included
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Reviews
Great, efficient, incredibly quick with delivery, all n all a fantastic service
Great instructions—worked perfectly for my hot tub. Fast delivery. Thank you!
All good - products really do good job of keeping my spa clean & water clear !
Excellent service and speedy dispatch.
Will definitely use again
All-in-one starter setup good if you’re new to hot tubs