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Those gears fail every couple of years, mainly due to the chlorine in the water degrading the plastic. They make a plastic version of that brass piece that is a lot cheaper and the gears are the same either way. BTW, that unit is not a meter immediate system if it's only one tank. If it's 1"...

The plastic spacers are exactly the same dimensions as the brass spacers. The difference is the brass spacers are made for hot water applications. They do have the added advantage of not being susceptible to chlorine degradation like the plastic ones, but if not service regularly they will fuse...

We measure RO membrane performance by rejection rate. New membranes should be over 95%, likely 97-99%. Once they get down to 90% they start failing fast. I've never heard of Hydron membranes but Dan is right, $400 is REAL high (unless labor was built into that $800). Either way (even though...

To find out what the water in the white storage tank is for just look for the bulkhead fitting on the bottom of the tank (side of the tank near the ground) and follow the hose to see where it goes. I'm betting it's a buffer tank for your high pressure rinse cycle. To test for hardness you just...

The spot free rinse should be RO WATER ONLY otherwise it will spot. Like Dan said, shoot for less than 30 ppm. I'm willing to bet that they plumbed a soft water line into the spot-free water tank as a backup so that if the RO could not keep up with the demand your tank would not go empty. Empty...

Dan, I don't want to argue with you. I know you know your stuff. I have spoken with you on the phone many times over the years and I have a lot of respect for you. I am just saying what I've always heard, I'm not here preaching this as law.

I have extensive experience with Flint & Walling. That's what we use on our entry level ROs that we build. They use plastic impellers so not as durable but other than that they work very well.

Let's start by differentiating between mineral tanks and storage tanks. Mineral tanks are the fiberglass wrapped cylinders that are more tall than wide and have a domed top, sometimes with a control valve mounted on them. Storage tanks are made of soft plastic and are more wide than tall and...

DI tanks contain mixed-bed DI resin that needs to be regenerated regularly and it's always done off-site at a regen plant because the process uses dangerous chemicals. Also, nothing in a car wash requires deionized water. If you do in-fact have a mixed bed DI tank, someone sold you something you...

That's just what has always been the standard in my experience. I haven't ever had anyone complaining about spots at less than 50 ppm.

Sorry for the delayed response, I just now got the notification for this thread. The TDS meter is a great tool but you don't need to concern yourself with testing the soft water or really anything at all except for the spot free water. Always test spot free water at the wand in the bay. Industry...

As a water nerd when you say spots with 26 TDS my interest is peaked. Also I find it hard to believe you have any true "DI" unless someone sold you something you don't need. Can you lay out all the water treatment equipment you have best you can recall? I don't need model numbers or exact sizes...

It can be real. I've seen higher numbers than that.

Total dissolved solids (TDS) is the amount of inorganic salts and organic matter dissolved in water. TDS is measured in parts per million (PPM). These include calcium, magnesium, potassium, and sodium cations, as well as carbonate, bicarbonate, chloride, sulfate, and nitrate anions. Water...

Anyone that sells a control valve that is NOT Clack or sells a "salt free" water softener is a joke. Also TDS is not an indicator of hardness.

Those Sta-Rite pumps are very well made. Typically the pump doesn't go out unless it's starved for water. They have plastic impellers that can melt within seconds of running dry. Even if it never runs dry, the impellers can be damaged by low inlet pressure over time but also dead heading will...

There are a lot of factors to determine the size of a water softener and MOST PEOPLE get it wrong. Let a professional do this for you. If you have 3 bids go with the most reputable company of the 3. If you were in TX I could help you out.

Every RO is different. As Buckeye said, the system pressure will go up if you turn your concentrate flow down (and your permeate will go up), but also your water quality will go down. Adjusting an RO is a skill that is learned by many years of experience. There are often 2 needle valves or globe...

Your flush valve should be normally closed (requires voltage to open) and even if it was open when it wasn't supposed to be, the reject should be flowing through the rotameter. Have you checked to make sure your concentrate control valve wasn't closed all the way? I see that way more often than...

Depending on your chlorine levels coming into the softener and what type of resin you used in 2018, it could be bad. Most resins last between 5-7 years from my experience (on city water). It's also possible that the controller is just not set properly or it's not doing a proper regen. How hard...