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