![]() ![]() Most people think the pressure does most of the work, but in reality cleaners do most of the work and let you do a better job quicker. It's a great all-around cleaning combination that won't harm surfaces, plants, etc. and the Simple Green gives it a nice smell and clinging effect so it stays in contact longer with the surface. ![]() The bleach does great for mold, mildew, etc. or are you guys saying that the flow is so slow with a high pressure nozzle that there is no venturi effect at all? I guess sucking a little air in with the water on the pressure side of the pump won't hurt anything anyway.įor most home surfaces I use a mix of 1 pint of Simple Green, 1 pint of 6% bleach and mix these with 3/4 gallon of water, then run this through the detergent hose. I still don't understand what's to stop the siphon when other nozzles are used. ![]() I haven't found a deck chemical yet that seems to do anything (I'm open to suggestions) and my boat is permanently in the water so I avoid the chemicals running into the lake. I only use the washer to either clean my deck or my boat. Once this washer would "lose its prime", I would ususally have to shut it down and go thru the water flush again before I could get it to work. Which probably explains why I had to clamp off the hose to avoid cavitating the pump. I am pretty sure my old washer had the siphon hose on the low pressure (suction) side of the pump. or are you guys saying that the flow is so slow with a high pressure nozzle that there is no venturi effect at all? I guess sucking a little air in with the water on the pressure side of the pump won't hurt anything anyway.Īfter reading your posts. When you use your detergent nozzle this creates a venturi effect and effectively pulls detergent/water solution through the hose where it enters the stream of water exiting the pump.I still don't understand what's to stop the siphon when other nozzles are used. In this case the chemicals never see the inside of the pump. after using bleach or whatever, but if you have downstream injection this will not hurt the pump like alot of people think. You do need to rinse everything well and run lots of fresh water through your gun, wand, hoses, etc. Downstream also allows you to use bleach and other caustic/acidic solutions without harming the pump. Pretty much all home models and some commercial units have downstream. Upstream injection is also possible and that introduces the cleaning solution before the pump so it's applied at high pressure. When you use your detergent nozzle this creates a venturi effect and effectively pulls detergent/water solution through the hose where it enters the stream of water exiting the pump. I think the OP is confused as to how downstream injection works. How can a sprayer come close to these options? There are soap nozzles available that will throw the suds as high as 20' up and that same nozzle can be switched to apply a wide band at close ranges, maybe a 2-3 ft. You're kidding right? No way will a garden sprayer work more efficiently than applying the detergent with the PW. My PW came with a siphon hose, I think it's still attached - I don't use it and have never had any issues because of it. If I remember right, they only siphon at low pressure. I never use the siphon function - I think a pump up garden sprayer works better to apply the cleaning agent. ![]()
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