Eheim great as always. Quick and easy to understand for use. Easy to clean. Operate it. In a 30 liters nano basin with only one kit and throttled Wasserauslauf.Das water is crystal clear and the water levels are super I as an old Eheimfan have in past contradict the right. And the somewhat unusual form that will not fall on, because I have "hidden" behind him fine-leaved aquatic plants. I bought a precaution the 130ger because I'm going to buy a bigger pool (60 liters) to me. Many greetings Beate
