Everytime I try to use the winterizer in my freshwater hoses the pump never just sucks it out of the bottle..I always have to Dump it into the water holding tank to get it to the sprayers. Only problem this causes me is that it takes too long in spring to finally flush it all out....So I disconnect the pex pipe from the water tank..stick it in the 1 gallon bucket of pink fluid, turn on water pump and pump goes on but sprayers dont. Shouldnt it just suck it out of bottle or does it need to be closed/pressurized? Now I hook up compressor and Just blow it all out but Im wondering if its not working right. 2003 searay 240 sundeck. It has 4 separate sprayers.