For Hot Tubs & Swimming Pools
The MINI Chlorine Tablets 20g – 1kg are high-performance multiplex chlorine tablets designed for hot tubs, inflatable spas, and small to medium swimming pools. These slow-dissolving tablets provide long-lasting disinfection, helping keep water clean, clear, and hygienic with minimal effort.
Ideal for use in floating dispensers, skimmers, or automatic chlorine feeders.
⸻
✅ Key Benefits
•Slow-dissolving 20g mini chlorine tablets
•Suitable for hot tubs & swimming pools
•Controls bacteria, viruses & fungi
•Helps prevent cloudy water
•Contains chlorine stabiliser & flocculant
•Reduces chlorine smell above the water
•Reliable and easy weekly dosing
⸻
Product Information
•Tablet Size: 20g (Mini)
•Pack Size: 1kg
•Quantity: 50 tablets
•Chlorine Type: Multiplex / Tri-Chlor
•Available Chlorine: ~90%
⸻
How the Tablets Work
MASTERsil Multiplex Mini Chlorine Tablets dissolve slowly over 3–7 days, depending on:
•Water temperature
•Water circulation
•Pool or hot tub size
Each tablet delivers multi-action water treatment:
•Disinfects water (kills bacteria, viruses & fungi)
•Stabilises chlorine levels
•Flocculates fine impurities
•Helps maintain clear, sparkling water
✔ Starts working immediately
✔ Long-lasting chlorine release
⸻
Dosage Guide (20g Tablets)
Hot Tubs
•4-person hot tub (800 litres):
2 tablets for 7 days
•6-person hot tub (1000 litres):
3 tablets for 7 days
Swimming Pools
•4,500 litres:
4 tablets every 7–10 days
•7,500 litres:
7 tablets every 7–10 days
💡 Tablets are designed for small floating dispensers (20g).
⸻
How to Use
1.Place tablets into a floating dispenser, skimmer, or automatic feeder
2.Adjust dispenser openings if applicable
3.Allow tablets to dissolve gradually
4.Test water regularly and adjust levels if required
❌ Never place tablets directly into the hot tub or pool
(Direct contact may cause bleaching or staining)
⸻
Safety Information
•Use only in a floating dispenser or feeder
•Do not mix with other chemicals
•Store in a cool, dry place
•Use biocides safely
•Always read the label and product instructions before use
⸻
Suitable For
✔ Hot tubs
✔ Lay-Z-Spa & inflatable spas
✔ Swimming pools
✔ Small floating dispensers (20g tablets)
⸻
📦 Package Size:
1kg = 50 × 20g MINI Chlorine Tablets
🌐 www.hottubireland.ie
Chlorine Tablets MINI 20g – 1kg (50 Tablets)
How many tablets do I put in the floating dispenser?
A standard floating dispenser can hold up to 7 mini 20g tablets, however we recommend keeping it topped up with 2–3 tablets at a time for controlled dosing.
Recommended dosage:
•Hot tub (4 persons – 800 litres):
2 tablets for 7 days
•Hot tub (6 persons – 1000 litres):
3 tablets for 7 days
•Swimming pool (4,500 litres):
3–4 tablets every 7–10 days
•Swimming pool (7,500 litres):
5–6 tablets every 7–10 days
These tablets are designed f































Reviews
Was looking for chemicals for my hot tub after being let down by Amazon with chlorine tablets,found hot tub Ireland web site read the reviews . thought I would give them a try well thank you so much complete order arrived within 4 days. will be my new go to in future.bye bye amazon.
I ordered filters,,test strips and chlorine tablets for our hot tub. I inadvertently placed the same order twice. I was contacted and this was drawn to my attention and the money immediately refunded. The order arrived in a timely manner. Would highly recommend this company - efficient and personal service
Longer lasting than the granular making general maintenance easier. Most lazy spas come with the attachment to put these in. I put 2 in ours and they last 5-7days depending on the temperature of the water
I needed chlorine tablets for swimming pool, they arrived quickly and were very reasonably priced, would highly recommended this website.
Been buying this for the last few years. Last longer than other brands. I will continue to use and recommend.