The Mini Green Killing Machine is an internal UV sterilizer for small aquariums up to 20 gallons. This submersible sterilizer keeps water clean and clear by killing algae that causes green water, pathogens and other harmful bacteria. Quick and easily to install in just 5 minutes. 
Includes 3 watt UV sterilizer bulb sealed in a durable plastic enclosure, water pump with filtration sponge, control box with LED indicator for bulb replacement, flow regulator, suction cup mounting and individual plugs for the pump and bulb.For optimal results, replace the UV bulb every 3 - 6 months.

Key Points:

• Keep your aquarium crystal clear 
• Controls green water, eliminates cloudiness & bacteria without any chemicals 
• Perfect for aquariums up to 20 Ga. (80L) 
• No installation at all, simply clip to any waterfall filter 
• Led signals need for a UV bulb replacement 

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.