15 watt

  1. SomeHappyFish

    UV sterilizer: 2 x 15Watt (Different task) or one 25Watt ?

    Should one get two 15 Watt at 200$ or one 25Watt at 400$ ? (CAD Prices) One 15Watt for Algae and the other one for Parasite... Or 25 Watt with a in between flow rate ? Is there one better then the other ?
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