With water temperature being such a critical factor for the well-being of fish, it's important to have a good aquarium thermometer.

The Marina Glass Floating Thermometer is designed to float in the water in a vertical position and comes with a suction cup for optional installation on your aquarium glass if required.

Accurate and easy to read, it provides temperature readings in both Centigrade and Fahrenheit. It also has a safety zone temperature range indicator for most tropical fish.

This Floating Thermometer is ideal for use in both fresh and salt water aquariums.

Key Features:

• Accurate and easy to read
• Safety zone indicator for most tropical fish
• Protect your fish from unsafe temperatures

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.