Clearwater Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment, Highly Effective Formula, 1 Litre
Reviewed 9 August 2026 · price checked live
Check price on Amazon →Overview
Clearwater Algaecide Algae Remover for Swimming Pool and sits in our pools, hot tubs & supplies listings, where we rank by how buyers actually rate a product rather than by brand. The manufacturer says: On or below the surface of the water in your hot tub or swimming pool. From your pool/hot tub for clear, clean and healthy water. Those are the seller's own claims rather than our testing, so treat them as a starting point. On Amazon it holds 4.5 out of 5 from 7,493 ratings. What that score is worth next to its rivals is set out below.
- Brand
- Clearwater
- Amazon rating
- 4.5 / 5 from 7,493 ratings
- vs Pools, Hot Tubs & Supplies
- level with the category median of 4.5
- Rank in category
- 13 of 49 rated pools, hot tubs & supplies we track
- Price position
- Mid-priced (category spans £4.99 to £26.99)
- How proven
- Well established, above-average review volume
How it compares in Pools, Hot Tubs & Supplies
Across the 49 rated pools, hot tubs & supplies products we track, the typical score is 4.5 out of 5. This one sits at 4.5, which is around the middle of the category. Ratings alone will not separate it from its rivals here, so price and the specifics below matter more than the star count.
It carries 7,493 ratings against a category median of 1,068. That is enough of a base to take the score seriously without treating it as settled.
On price it sits in the middle third of a category running from £4.99 to £26.99, where the midpoint is about £14.99. That is the part of the range where most sensible buys sit, neither cutting corners nor paying for the name.
Worked out from the 49 pools, hot tubs & supplies products in our catalogue, not from the brand's own claims. How we rank →
Key features
- PREVENT ALGAE BUILD UP: on or below the surface of the water in your hot tub or swimming pool
- REMOVE EXISTING ALGAE: from your pool/hot tub for clear, clean and healthy water
- EASY TO USE: with clear instructions written on the bottle for dosage guidance (dosage quantity based on water volume)
- DESIGNED FOR USE WITH: hot tubs, spas, paddling pools and larger above ground pools
- HIGH QUALITY LIQUID ALGAECIDE: is safe to use in your water and is highly effective for long lasting, regular use
