The JBL Summer Competition

Unfortunately the competition is finished already. Shortly you will find another competition here. Simply look in again later.



    What is the maximum light yield (PAR = photosynthetically active radiation) of the JBL LED SOLAR NATUR for perfect plant growth?

    Have another think. Could it be something else?
    Join in

    Which NEO Index® (a measure of natural, energy-optimised nutrition) has the ideal spring food, such as the JBL ProPond Spring?

    Have another think. Could it be something else?
    Join in

    Here's how it works

    Just enter by June 23, 2019 and with a bit of luck you can win one of three SOLAR LED kits in your required size or a year’s supply of ProPond pond food to the value of €300. The winners will be drawn from all participants with the correct answer and notified by email.

    Applicable are our current Conditions of participation.


    Moving With Your Aquarium – The Checklist

    But wait, how do I transport my aquarium(s) from A to B? What ’s important here? We have put together a checklist-like post that explains the process, so you won’t forget anything.

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    JBL ProPond Film - Seasonal Feeding

    Beginning with spectacular underwater shots taken at a koi breeder’s in Japan, including a visual presentation of nutrition information for the individual seasons and then some koi pond footage.

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    Display Accuracy vs. Measuring Accuracy - Different Results When Measuring Temperatures

    You may find the differences that can arise when measuring the temperature with different measuring instruments and methods, confusing. Most people tend to trust a digital device more than an analog device. Is this justified?

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    Choosing Your Substrate - Combining Several Varieties

    You probably had this the last time you set up an aquarium. "Sand or gravel?” you wondered. “Or maybe soil? Or there’s that coarse volcanic rock?”

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