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Grässlin Rondomatic 400


The automatic fish feeder Grässlin Rondomatic 400 guarantees reliable feeding of your ornamental fish even during your absence. The device can be used with all aquaria. 2 differnet installation methods are possible with the securing bracket and the screw contained in the packaging.

Grässlin Rondomatic 400

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  • The automatic fish feeder Grässlin Rondomatic 400 guarantees reliable feeding of your ornamental fish even during your absence. The device can be used with all aquaria. 2 differnet installation methods are possible with the securing bracket and the screw contained in the packaging. The Grässlin Rondomatic 400 can also be placed on the aquarium cover without securing bracket. The food trays (28) can be removed and can also be cleaned in a dishwasher. The volume of the food trays is 3,5 ml. Dimensions diamter: 16,5 cm, heigth: 3,5 cm. The operation of the Grässlin Rondomatic 400 is with safety extra-low voltage 24 V. No batteries needed.
    Manual Grässlin Rondomatic 400

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  • Reviews for Grässlin Rondomatic 400:
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    at 31.12.2017:
    Кормушка нормальная, но я столкнулась как с ее плюсами так и минусами .
    Плюсы:
    1. Может кормить рыбу до 4 раз в сутки, вы сами устанавливаете в какое время и как часто хотите кормить рыб.
    2. Можно в каждый контейнер засыпать разный корм, как хлопья так и гранулы.
    3. Заправлять кормушку не нужно часто если вы свою рыбу кормите 1-2 раза в день. Наверное плюсы на этом закончились.

    Минусы:
    1. Работает только от электросети
    2. Контейнеры для корма маленькие, если у вас большая рыба такая как Оскар, арована , то таким рыбам эта кормушка не подойдет, она подойдет для гуппи, неонам, и любым рыбам размером до 10см.
    3. Корм в кормушке впитывает влагу от испарений в аквариуме и когда наступает время кормления корм не высыпается он прилипает к контейнеру.
    4. Иногда контейнеры не высыпают корм в то время когда сработал таймер.
    5. Заправлять кормушку новым кормом и не рассыпать корм на пол или не засыпать все щели у кормушки не получается.

    at 19.12.2015:
    I bought this feeder back in May of 2015. I could not find it in the US and bought it from this web site. The sales person was reluctant to sell it to me because of the voltage differences between Europe and the USA but I told the sales person that I could convert the voltage. I bought a Goldsource STU-200 Step Up/Down voltage transformer on Amazon for about $18 and that's how I power the Rondomatic 400.

    I set it all up and watched it in action before in lieu of going on vacation. What I found was that it was gaining about 12 minutes per hour. It must be getting its timing signal from the 50 Hz whereas we use 60 Hz in the US. The math works out, anyway. No problem! I put an appliance timer on the voltage transformer and turn it off at 03:00 AM and turn it back on at 07:00 AM, which syncs everything back up.

    The other issue I had to deal with is that the humidity coming off of my tank was causing the food to cake in the feeder. I solved that problem by buying a Thermaltake Mobile Fan II External USB cooling fan, also from Amazon, for about $13. This fan has a speed dial on it. I have it blowing a faint breeze across the feeder to keep the humidity from condensing.

    This configuration has worked FLAWLESSLY for about 7 months. I have a 120 gallon tank with a fair number of fish. I feed 4 little "buckets" of food per day, and it has never failed me. I use it every day for the convenience of measured feeding at consistent times of day.

    I did a lot of research on automatic feeders and this had the best engineering by far. You can mix any kind of food in the little buckets and it will work. I mix flakes, BB-sized pellets and small sand grain sized food and no problem! The other buckets get algae discs and can fit three of the kind I buy. For some reason, Grasslin decided to not sell them in the US any longer. Other similar feeders have open bottoms and the food rubs against the bottom of the feeder which can grind it up. Not so with the Rondomatic 400.

    The only other thing I could do to make this more bulletproof would be to run everything through a UPS to cover times when the electricity goes off, but that almost never happens here.









  • Bill W. wrote about Grässlin Rondomatic 400 in 2015:
    I bought this feeder back in May of 2015. I could not find it in the US and bought it from this web site. The sales person was reluctant to sell it to me because of the voltage differences between Europe and the USA but I told the sales person that I could convert the voltage. I bought a Goldsource STU-200 Step Up/Down voltage transformer on Amazon for about $18 and that's how I power the Rondomatic 400.

    I set it all up and watched it in action before in lieu of going on vacation. What I found was that it was gaining about 12 minutes per hour. It must be getting its timing signal from the 50 Hz whereas we use 60 Hz in the US. The math works out, anyway. No problem! I put an appliance timer on the voltage transformer and turn it off at 03:00 AM and turn it back on at 07:00 AM, which syncs everything back up.

    The other issue I had to deal with is that the humidity coming off of my tank was causing the food to cake in the feeder. I solved that problem by buying a Thermaltake M...


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