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Juwel Digital Thermometer 3.0

Code: 85703
  • £24.99
Item in Stock   |   Usually dispatched within 24 hours

The Juwel Digital Thermometer measures the water temperature in your aquarium. The large display makes it easy to read the temperature with a large, easy-to-read digital display, you can easily keep an eye on the temperature in your aquarium.

In a temperature range from 16 to 42°C, water temperature is measured with accuracy of +/-1°C with a battery life of up to a year and is suitable for use in both freshwater and saltwater aquariums.

What a thermometer is used for on a fish tank?

A thermometer is a device that is used to measure the temperature of the water in a fish tank. It is an important tool for ensuring that the water temperature in the tank is within the appropriate range for the specific type of fish being kept. Different species of fish have different temperature requirements, so it's important to monitor the water temperature in the tank regularly and adjust the heater as needed to ensure that the temperature stays within the appropriate range.

There are several different types of thermometers that can be used in a fish tank. One common type is a stick-on thermometer, which is placed on the outside of the tank and has a temperature reading displayed on a dial or digital display. Another type is a floating thermometer, which is placed inside the tank and has a temperature reading displayed on a dial or digital display that is visible from the outside.

In addition to monitoring the water temperature in the tank, a thermometer can also be used to check the temperature of the water when performing water changes or when introducing new fish to the tank. This can help to ensure that the water temperature in the tank is similar to the water temperature of the new water or the new fish's previous environment, which can help to reduce stress on the fish and improve their overall health and well-being.

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Next Day Shipping Upgrade - Cut off is at 2:00 pm

Orders after that time will be processed the next working day


Please Note: We only deliver ponds and pond plants on our own delivery vehicles!

The blue highlighted area on the map below is where we deliver on our own vehicle! Unfortunately, if you are not in one of these postcode zones we are unable to deliver certain items such as plants, small glass items and selective other products.



We offer a few different delivery options depending on the size and value of your order.

Orders over £50 qualify for free mainland UK (excludes Northern Ireland) delivery which will arrive within 3-5 working days of the order being processed.


Residents of Northern Ireland, please provide your EORI or XI Number.

If you do not have one, please follow the information at


Orders Below £50 in Mainland UK will be charged a standard delivery fee of £5.99.

Additional Shipping Charges

For any orders that do not include Aquariums, the below is charged:

Next Working Day Parcel Delivery to Mainland UK - £7.99 OR £2.99 if the order is over £50

Standard Parcel Delivery to Northern Ireland £8.99

Standard Parcel Delivery to Scottish Highlands & Islands £9.99

Standard Parcel Delivery to Jersey & Guernsey £12.99


For all Aquarium deliveries (Excluding biOrbs & Smaller Aquariums), the below is charged:

Next Working Day Pallet Delivery - £20

2 Hour Booking Slot Pallet Delivery - £20

Pallet Delivery to Northern Ireland - £45

Pallet Delivery to Isle of Wight (PO36 and Above) and Scottish Highlands (AB, PH, IV1-36, IV, KW1-14, KY, PA21-41) - £45

Pallet Delivery to the Scottish Isles (KA27-28, PA60-90, ZE, JE, GY, IM, IV40-56, KW15-17, PH42-44, PA20, PA42-49) - £120

Pallet Delivery to Outer Hebrides (HS) - £140