How much water a day renal failure patients get appropriate?

Water is very important for the human body, people continue to drink after a day to remove harmful substances in the body, but some disease patients should not drink too much, like suffering from renal failure, renal failure patient is not drinking excessive, how much water each day that renal failure patients get appropriate? understand the amount of water that each renal failure renal failure patients must pay attention to, then in the end how much moisture renal failure patients get just the right day, it? 
Renal failure is the development of a variety of chronic kidney disease to kidney or part of the pathogenesis of late-induced state of all the loss. The progression of renal failure can be divided into acute and chronic, acute renal failure quickly, usually because of renal blood supply is not the foot (such as trauma or burns), for some reason the kidney function is impaired or blocked causing hurt by poison, acute renal failure caused by generation. The main raw chronic renal failure due to prolonged kidney disease, along with the time and the disease gradually reduced kidney function, resulting in the generation of renal failure. 
How many kidney failure patients with acquired renal failure patients every day to drink water only appropriate amount as follows?: 
When the kidneys recession and urination becomes low, the water will accumulate in the body load, increase the cardiovascular system, it will no vitality, edema, weight gain, cough, shortness of breath, lie down, hematocrit (H NMR) reduced, and concurrency high blood pressure, heart recession, pericarditis, and dialysis due to dehydration drama, easy to produce headache, ah, vomiting, muscle cramps and other imbalances syndrome. 
In addition, kidney failure patients should pay attention to when it comes to diet, daily weight gain to no more than one kilogram limit, while the total amount of water the day before the urine plus 500 to 700 ml (ml). If the day before urine for 500ml, then 500cC + 500 (7D0) ml = 1000 ~ 400ml, is a drink of water throughout the day, including water, rice, milk, soups and drinks. Most of the water away from the drink, can ice mouthwash, chewing gum or squeeze a little lemon juice to become less feeling of thirst, try to focus on taking time to eat soup, drink water change. 
If you draw too much water, the kidneys can not be ruled out when it will produce or cause lung edema recession, so the water is quite focused on the control subjects, the doctor would be the case, as the amount of urine, or water dialysis excluded, to decide how much amount of water draw. 
Renal failure patients at this time due to impaired renal function has been received, in order to draw toxins away from the body without the normal method, the safety of the patient's side, so renal failure patients should pay attention to positive insist on scientific diet. Need to note that knowledge of kidney failure in the diet, there are many other aspects of water and the need to note that not the same specific diet renal failure patients will vary, it is recommended in patients under the guidance of a doctor, scientific development of diet programs for their own condition. 
In summary, the number of kidney failure patients get water every day is appropriate? For renal failure patients, renal failure is not suitable for drinking too much water. I hope the above explanation after kidney specialists, and renal failure patients can reschedule for the amount of water in order to stay away from unnecessary trouble.