feeding requirment for gold fish etc in 200 lit open water tank,&maintainence of tank i'm begainer?

Answer 1

Always leave your gold fish a little bit hungry. The excess food and fish waste they produce will cause a build up of toxins in the water, slowly (or, in some cases quickly) poisoning them, or leaving them weak so they become easily sick. Change 25% of the water religiously once a week with tap water that has been aged 24 hours. Filters are good, you should get one that moves 10 gallons of water per hour/gallon of tank size. You will have to simply rinse the filter out when it starts getting clogged, but after three rinsings, it will need replacing. Gravel washers are really handy when changing water as they will pick up large bits of debris at the same time. Swim bladder disease is very common (as well as ich). Feed your goldfish the inside of peas (the frozen kind, thawed out) once a week, and add one tablespoon of salt for freshwater fish for every 5 gallons of tank water every six water changes.
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Answer 2

Goldfish are cold water fish that are huge producers of waste. The first things you need is a test kit for ammonia, a dechlorinator, and a filter that is rated for a tank of 150 gallons (3 times your tank's capacity). Since goldfish are coldwater fish, you do not need heaters. Also no plants since goldfish disturb them. Goldfish are also likely to jump so you may want to keep a cover on until they get settled.

At the rate of 10-20 gallons per fish, your tank can support about 3-5 goldfish if properly filtered and aerated. Feed them very small quantities (no more than the fish consume in a couple of minutes) twice a day or so. Goldfish are greedy and will overeat if given the chance. You may need a heater if there are extreme changes of temperature where you keep the tank.

Every week test for ammonia. Weekly, do a 10-15% water change where you siphon off 10-15% of water from the tank and add the same amount of fresh dechlorinated water. If your ammonia levels remain undetectable, and your tank is lightly stocked, you may just need to do this twice a month.

Good luck with your fish. Here are some resources that will help you with your new hobby.
http://www.petlibrary.com/goldfish/goldfish.html
http://www.geocities.com/Tokyo/4468/

Answer 3

Feed no more food than they will eat in 5 minutes...otherwise, you will over feed and polute your tank. You can feed active gold fish 2 x per day, but change about 20% of the water once a week. They water will have an ammonia build up from their wastes, and will poison them. Good luck

Answer 4

with feedind you fish give them a little bit of food and watch them eat and once they finish give them more untill they stop eating the food and maintance just make shore it is a good quilty one