JBL PROTEMP b40
Undergravel heating for fresh and saltwater aquariums

There are successor products for this item:
PROTEMP b III
  • Undergravel heating for ideal plant growth in aquariums: modelled on nature, thermal water flow through the bottom covering, promotion of root formation and growth. For aquariums from 200 up to 400 l (approx. 100 -150 cm length)
  • Easy to install: place 7 m heating cable in loops on the bottom panel of the aquarium, fasten with suction cups
  • Biological filter: creates seeping nutrition sources in the substrate modelled on nature – ideal supply for the plants. Prevents putrefication zones caused by stagnant water
  • Energy-efficient and safe: silicone-covered heating cable with energy-efficient, electronic transformer with 12 V extra low safety voltage
  • Package contents: undergravel heating cable for aquariums, incl. electronic transformer, 7 m heating cable, 2 x 2.2 m PTC resistor, 30 x suction cups
Find out more
Price: 0,00 €
Recommended retail price incl. VAT

You may also be interested in

Product information

Water circulation
Aquatic plants grow better in the wild when they have access to seeping nutrition sources. The plants absorb their food from these sources. The gentle undergravel heating causes the warm water to rise and the cold water, full of dissolved nutrients and minerals, sinks to the bottom. This creates a thermal water circulation, which washes the nutrition directly to the roots.

Easy to install
Place the heating cable in even-sized loops on the cleaned bottom panel when beginning to set up the aquarium. Fasten the heating cable with the enclosed suction cups. Bring the cold leads of the cable out of the aquarium and connect them to the transformer.

Hazard-free use
The heating cable is silicone coated and works with an energy-efficient 40 W transformer and 12 V extra low safety voltage for hazard-free use. The transformer needs to be mounted in a well ventilated and splash water proof place. The undergravel heating results in a slight warming of the substrate, but it is no substitute for the main heating of the aquarium.

Videos
Details
This product is unfortunately no longer available

JBL PROTEMP b40

Art. no.:
6041700
EAN Code:
4014162604170
Performance:
40 W
For:
200-400 l
Volume packaging:
2.4 l
Gross weight:
484 g
Net weight:
335 g
Weight factor:
1000
Packaging dimensions (l/h/w):
63/235/165 mm

Properties

Animal species: Arowana, Artemia, Axolotl, Barbels, Bettas, Bichirs/reedfish, Blowfish, Catfish, Cichlids (South America), Corals, Crayfish, Danions, Discus, Dwarf shrimps, Flowerhorn, Gobies, Goldfish, Gouramis, Guppy, Juvenile fish, Killifish, Livebearers, Loaches, Mussels, Newts, Panchaxes, Rainbowfish, Snails, Spiny eels, Terrapins, Tetra, Tropical terrapins, Veiltails, freshwater butterflyfish, turtle
Animal size: For all animal sizes
Animal age group: All aquarium fish
Volume habitat: 200-400 L (100-150cm)
Material: plastic (PC) / metal / silicone
Colour: white / black

Electronic label / illuminant

Mercury: No
Dimmable: No

Technical Data

capacity from - to:200-400l
capacity tank length:100-150 cm
power output in Watt:40 W
voltage:230 V
FAQ
Why doesn’t the heating cable warm up?

The substrate heating cables of the JBL ProTemp b series heat with radiant heat. Laying these cables on a table you wouldn’t notice any rise in temperature through temperature measurement. Only when the cables are installed below a layer of substrate will the warming of the substrate take place.

May I use the nutrient powder when I have installed an undergravel heating cable?

Yes, despite an undergravel heating cable you can use Volcano Powder because it is only applied very thinly and doesn’t completely cover the cable. The substrate above needs to be porous and coarse enough to enable the water circulation inside.

JBL ProTemp b10-60: What minimum grain size is needed for the substrate to prevent heat building up from the substrate heating cable?

If you have sand, a substrate heating cable is not recommended. It should be used for gravel sizes of 1.5 mm and over.

Can JBL Manado be used with a substrate heating cable additionally, or would that lead to overheating?

I don't see a risk of overheating as long as the substrate heating cable is installed properly with the spacers and is not placed directly on the glass pane.

Blog (opinions & experiences)

Installing The Substrate Heater JBL ProTemp Correctly

The advantages for the ecosystem aquarium are obvious and the plants benefit from the nutrient circulation. But how do you install this system in your home aquarium?

Find out more
Press

02.01.2014

JBL launches a new heating cable – warm feet sound good, but not for aquatic plants

When discussing substrate heating, people always use the same logical sounding premise that aquatic plants grow better with “warm feet”.

Find out more
Laboratories and calculators

Water Analysis Online Laboratory

Enter your water parameters and get an in-depth analysis of your values in a matter of seconds. You enter your water values – and we analyse! Here you have the opportunity to enter the measured water values directly into the JBL Online Laboratory. This will analyse your values and explain and submit corrective measures.
Reference guide (Themeworld)

GarantiePlus

With the guarantee extension JBL GarantiePlus you secure your extra-long extended 4-year guarantee from the date of purchase for your JBL product. Do not miss out on your extended guarantee claim!
Download

Instructions

safety instructions

  • safety instruction for technical devices
    • Filename:
      JBL_Sicherheitshinweis_fuer_Technische_Geraete.pdf
    Download
spare parts
Customer reviews

A word about cookies before we continue

The JBL Homepage also uses several types of cookies to provide you with full functionality and many services: We require technical and functional cookies to ensure that everything works when you visit this website. We also use cookies for marketing purposes. This ensures that we recognise you when you visit our extensive site again, that we can measure the success of our campaigns and that the personalisation cookies allow us to address you individually and directly, adapted to your needs - even outside our website. You can determine at any time - even at a later date - which cookies you allow and which you do not allow (more on this under "Change settings").

The JBL website uses several types of cookies to provide you with full functionality and many services: Technical and functional cookies are absolutely necessary so that everything works when you visit this website. In addition, we use cookies for marketing purposes. You can determine at any time - even at a later date - which cookies you allow and which you do not (more on this under "Change settings").

Our data protection declaration tells you how we process personal data and what purposes we use the data processing for. tells you how we process personal data and what purposes we use the data processing for. Please confirm the use of all cookies by clicking "Accept" - and you're on your way.

Are you over 16 years old? Then confirm the use of all cookies with "Noticed" and you are ready to go.

Choose your cookie settings

Technical and functional cookies, so that everything works when you visit our website.
Marketing cookies, so that we recognize you on our pages and can measure the success of our campaigns.

PUSH messages from JBL

What are PUSH messages? As part of the W3C standard, web notifications define an API for end-user notifications that are sent to the user's desktop and/or mobile devices via the browser. Notifications appear on the end devices as they are familiar to the end user from apps installed on the device (e.g. emails). Notifications appear on the end user’s device, just like an app (e.g. for emails) installed on the device.

These notifications enable a website operator to contact its users whenever they have a browser open - it doesn’t matter whether the user is currently visiting the website or not.

To be able to send web push notifications, all you need is a website with a web push code installed. This allows brands without apps to take advantage of many of the benefits of push notifications (personalised real-time communications at just the right moment).

Web notifications are part of the W3C standard and define an API for end user notifications. A notification makes it possible to inform the user about an event, such as a new blog post, outside the context of a website.

JBL GmbH & Co. KG provides this service free of charge, and it is easy to activate or deactivate.