Good value, established brand. I have used these for some time now. Compare well with other leading brands.
Verified purchase: Yes | Condition: New
renewed old tube and clear water within a few hours
Verified purchase: Yes | Condition: New
this product has cleared my pond, which was the colour of pea soup, in about 10 days, great.
Verified purchase: Yes | Condition: New
have used for years as a replacement in my pond UV knew it was good
Verified purchase: Yes | Condition: New
Very good used these before normally change the uv bulb every year
Verified purchase: Yes | Condition: New
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