Replying to MY summer set up wont work anymore!!

AS you guys can see my summer set up worked great 2 weeks ago then i moved it into the backyard and blah blah blah it worked great for the first day..then everyday it just gets slower and slower and i don't no what it going wrong..like we use to have pretty much to much speed now we have none i use snowfence and i think the problem is that because of all the dirt and the hard soap on the drop in the dirt is sticking to the snowfence and slowing me down ALOT!  what should i do about thiss??new snowfence,differnt kind of snowfence???help me out!  thankss!


Before

lots of fun..

not anymore i cant even get onto the rail