Experience unparalleled temperature control with the Hydor Theo Shatterproof Heaters. Engineered to provide precise thermal regulation, this heater is built for safety and durability, offering peace of mind for both novice and experienced aquarists. With its submersible design and advanced shatterproof technology, it withstands the challenges of aquatic environments, ensuring stable and accurate temperature maintenance across a variety of tank sizes.

Specifically crafted from high-quality materials, the Hydor Theo heaters feature no thermal shock capabilities and boast high-impact resistance. With a user-friendly graduated scale, these heaters allow for both vertical and horizontal installation, providing versatile positioning options to optimise tank space and water flow efficiency.

Whether used in smaller tanks or expansive aquariums, the Hydor Theo delivers consistent performance.

Key Features:

• Submersible design with advanced shatterproof technology
• Accurate temperature control with no thermal shock
• High-impact resistance for long-lasting performance
• Versatile vertical and horizontal positioning
• Graduated scale for precise temperature setting

Embrace reliable and efficient heating solutions with the Hydor Theo Shatterproof Heaters, suitable for various aquarium sizes—ensuring your aquatic inhabitants thrive in a stable environment.

Specifications:

• Theo 25W: Power: 25W, Length: 17.8cm, For aquarium size: 10 - 25L
• Theo 50W: Power: 50W, Length: 17.8cm, For aquarium size: 20 - 50L
• Theo 100W: Power: 100W, Length: 22.6cm, For aquarium size: 50 - 100L
• Theo 150W: Power: 150W, Length: 30.6cm, For aquarium size: 90 - 150L
• Theo 200W: Power: 200W, Length: 30.6cm, For aquarium size: 100 - 200L
• Theo 300W: Power: 300W, Length: 39.4cm, For aquarium size: 200 - 300L

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.