Advantages Looks fantastic and is a great showpiece
Disadvantages Time it takes to do a water change!
I purchased my Juwel Rio 240 about eight months ago now, and I'm extremely pleased with it. I've been keeping tropical fish for the last 12 years or so, but only ever with a small tank - about 30 inches, so when I moved house earlier in the year, I wanted to take the opportunity to upgrade my fishes' home too.I started looking at the Juwel's as they seemed to be the most popular tanks around. Any information I could find on the company from fish supply websites rated these tanks highly, so I took this to be a good sign. Initially too I'd wanted one of the Juwel tanks from the Vision range, but when I actually calculated the water volume I'd get it in, it didn't work out to be too much larger than the tank I was already using.
Hence eventually I opted for the Rio 240, which is a large tank. It's four foot long, and is nice and deep too, which my angel fish really does appreciate. There's plenty of room to decorate the tank with plant, wood and rock in order to create a varied and vibrant living environment for the fish. Having so much room also means that you can create something which is really interesting to look at, and I often find myself watching the fish tank rather than the television.All of the filter housing is located in one convenient housing unit, so when decorating the tank you don't have to consider the heater unit or anything else. The housing unit is split into two sections: the smaller section houses the proprietary heater unit, and the larger section houses the filter system. Having the heater unit here where the water is pushed out to the tank means that the temperature should be more even throughout the tank.
The filter system is made up of several different sponges, all of which need cleaning/replacing at different intervals. It can be complicated to remember which needs doing when, but I find with a bit of organisation by keeping a note in a calendar as to what needs doing when, it's much easier. The bottom sponge is a blue coarse sponge, then above that there are two fine blue sponges. These need changing/cleaning gently every six to twelve weeks, depending on how many fish you have. These three sponges are held together by a small plastic holder. Sitting above these in a second plastic holder is a green nitrate sponge, which helps to take nitrates out of the water. This should be replaced every six weeks. Above this is a black carbon sponge, which helps to remove any impurities in the water. I tend not to use this sponge so much as it has to come out when you're using treatments for the tank, and as I regularly put in plant food, don't often have the option of using it. The top sponge is a white filter pad which prevents any large particles from going further down into the filter system. This has to be changed every week.A pump sat between the two sections in the filter housing moves the water round the tank and pushes it through the filter system.
So, it's an easy tank to run as only the white filter pad needs changing every week, and you also need to do the weekly water change.
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