DIY Softwash Metering System


I think its in the box for several reasons.
1 it looks good
2 it contains the spray from going all over the place when any or all the connections leak.
3 it keeps the uv rays off the components
4 it keeps over spray and other chems off the components.


Thank you, I really appreciate your suggestions! What exactly at Chipotle are you comparing the ABS plate to? The menu signs? Sorry, not sure.


Do UV rays effect PVC negatively?

Also, all components are rated to hold up to SH exposure extremely well with no negative impact. I don’t think overspray would be an issue.

Are there leaking issues between fittings? Does this happen ever, or often, or at all?


Yes sun can effect PVC over time. Yes fittings do leak. Different contractors use different chemicals so overspay, while low in probability, can effect things


Their glass cough shield is mounted to the counter with press braked flat stock. With holes drilled in it and the ABS sheet you could bolt it down in an upright position for mounting


With this in consideration, what’s your opinion on if it should be enclosed or not?


Seeing how you are trying to provide a lower cost product, I would offer a hard plastic box as an option. You are going to have to make several up and test them for a while…,


This is what our shop looks like a lot of times. Pictures from a project we are building right now. In case anyone was wondering why I have any credibility in putting together a metering system that might work. I have good resources. :slight_smile:


You had me at coffee cup. You can wing most anything with coffee nearby


I spoke to our supplier after lunch today and talked to him about my project being personal and not related to my employer. He said it was no big deal and they will still give me the full supplier discount. He even said he encourages people who work here to purchase parts through him directly for anything they want for home or personal use. I’m able to purchase parts directly through them and he’ll deliver them to my desk or I can pick them up at their local warehouse. So no potential conflicts with my employer for getting discounted parts.



So where do I send my homie discounted payment for three 523 GF valves? :slight_smile:


Wondering what you guys think of this for a mix ratio sheet? If you’d recommend adjusting the color ranges and/or adding any descriptions with certain ratios for suggested applications. I’d like to have something like this with the manifold and could possibly laminate it to keep for reference.


One would still need a calculator or maybe another column to figure out what the ratio of SH is hitting the surface. Since 100% is 12.5%. So for example If I wanted to use 3% strength on a roof that’s roughly 25% on your chart. It could get confusing since most people would probably be thinking in terms of percent as being from 1 - 12.5%.


love it !


Are you saying that people are more likely to want to use the % strength of SH at the output vs the % of SH to water ratio?

As in using 10% SH, mixing 50/50 with water, yielding a 5% strength mix at the surface?

This scenario could be interpreted as either a 50% ratio or a 5% mix strength. So which one would be best to show? I could show both…


@Steve… Like this?


Personally when I think about mixes I think about the strength of the SH. My house wash mix is currently around 0.6 percent, where as I might want a 3-5 percent for Dryvit (Stucco) and 6-7 percent for a roof etc.

I would leave the chart with both ratio and mix % to accommodate everyone.


@Steve, what do you think? The first set are the SH ratios, in both formats. Blue is RINSE, the green, yellow, and red zones (just a guess at the ranges, if you have suggested alterations or adjustments, please tell me).

The second is the math for soap mix ratios, given in % and in oz/gal, which I think is how most people tend to mix it. The math took a while to figure out for me, I’m sure the rest of you guys know it like the back of your hand. Anyway, there are two charts for soap mix ratios. One for 1/2" soap supply line, the other for 1/4" soap supply line. As you can see, you’ll have more control over controlling the soap ratios (oz/gal) if you stick with 1/4" supply line for the soap.

This isn’t my specialty, so I’m going to have a mechanical engineer check over my math and reasoning to make sure it all lines up, but I’m pretty confident in it.

Please share your thoughts and give feedback!

SH Ratios

Soap Ratios


Got some free goodies hand delivered to my desk after lunch today… :slight_smile:


Ooohhhh. Aaaaahhh. Nice…