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Decent size peristaltic pump feeding chems from 20l drum and water from wfp tank Kevin?I think it all depends on what you want to put through one of these boxes and how you want to use one, I have used one of these boxes in the past and yes they are fine but, its an awefull lot of faff, connecting to mains water supply, add electric for the pump when just a backpack or trolly would work just as well and for commercial work you could say that those two items would be safer as they are self contained and a low risk of leaking/bursting pipes. I do have the facility to inject chemicals with my new tank although, I've not had the chance as of yet to hook it all up.
what type of work would you be intending to use this for?.
Depending on what chem he used it can takes days, weeks even months to fully 'clean'...Had a look a few days later and wasn't really impressed
I know what you mean but its Scotland where we get acid rain every other day. It produces a breeding ground for every type of organism under the sun. That's why roof cleaning, gutter clearing, valley cleaning, in fact any type of cleaning is necessary. That's why there is so much work up here, no one wants to do it. I softwashed my block paving at the front of my house two years ago and its nearly back to where it was because of the weather we have but its good for business.Depending on what chem he used it can takes days, weeks even months to fully 'clean'...
PW is instant but it's not producing a sterile surface (PW a hard surface see how clean it is then apply hypo, it takes it to the next level)
If the pump doesn't have viton seals then they will get damaged in the fullness of time, so I got told.So Dave - I'm guesting the idea is keep the chems out pump's 'internals' so no damage - makes sense.
I stand to be proven wrong but I would guess it's more to do with it raining so much and so often (and less drying sunshine), rather than the acidification of the rain (Wales & Ireland also suffers from high levels' of staining as well) Acid rain speeds up the weathering of materials - not sure it encourages organisms to thrive - suspect it's the reverse actually...happy to be wrong....Scotland where we get acid rain every other day
When i went on Micky Conway's softwash course he was telling us about mold and fungi. They don't need sunlight as they get all there nutrients from moisture. A perfect growing ground is Scotland in the winter especially North facing roofs. With the introduction of home reports, they now mention moss growing on the roof which is a negative for a home seller. That's where i step in and remove it before the home report is made up, as too are gutters. That's why i'm so busy removing moss from roofs now. fwiwI stand to be proven wrong but I would guess it's more to do with it raining so much and so often (and less drying sunshine), rather than the acidification of the rain (Wales & Ireland also suffers from high levels' of staining as well) Acid rain speeds up the weathering of materials - not sure it encourages organisms to thrive - suspect it's the reverse actually...happy to be wrong....
A peristaltic pump works differently and doesn't have any chems in contact with anything other than a piece of hose.So Dave - I'm guesting the idea is keep the chems out pump's 'internals' so no damage - makes sense.
that was my idea dave, great for ddac the maths is a proper headache but it could be doneDecent size peristaltic pump feeding chems from 20l drum and water from wfp tank Kevin?
Especially when connected to the same pwm as the pump as increasing the flow still gives tou the same mix.that was my idea dave, great for ddac the maths is a proper headache but it could be done
it does make the most safest way to dose either ddac or hypo dave, I remember we even talked about a "one shot" remote control to turn the peri pumps on or off for either rinsing or purge the stystem. for those who haven't a clue on what we are talking about, its a way of using your existing van mounted tank stystem to inject or downstream chems using your existing equipment, and still have the ability to carry on cleaning windows later on in the day, @NoNamethis would be the better option for safety if you have a van mounted system although the maths involved is a proper pain and brain ache its certainly not impossible to do. @Dave Bthanks for reminding me of this, y know we may have to get together again to brainstorm the idea? its certainly the most precise way of doing it and safer too whilst being the cheapest way of making it happen,aahhh its got me thinking now??Especially when connected to the same pwm as the pump as increasing the flow still gives tou the same mix.
I used it a lot on my old trolley for tfr and enigma etc but like you said the maths is a pain.
Once done though it's easy.