Slow Toilet Flushing

I appreciate if anyone can give clues on this slow toilet flush problem. When I turn the flush lever the tank is getting emptied filling the pot almost to the brink, then the pot gets flushed very slow. Now the water level in the pot is much lower than what it used to be when the flush worked...

My toilet won't flush properly even after changing the siphon. The flow of water into the bowl is slow and it wont Take away any solids. Also their is no swirl action. Thanks Tom.

I just put in a new toilet and it will not flush all the way down if you put a bucket of water down it then it will flush . I had the septic tank emptyed it did not fix the problem.

My toilet flushes correctly sometimes, however, it doesn't other times. It acts like it is clogged, fills the bowl and slowly seeps out. When I plunge to clear the line, it flushes fine once or twice, but then clogs again and slow drains again. Any ideas? This is something that has just...

My toilet has stopped flushing. The water is in the cistern and if I push the ball down the water fills up. It feels like there s no pressure when I push the handle. I have no plumbing knowledge at all so could you tel me what is causing this and how I can fix it without calling a plumber if...