Water Softener Brine Tank Level Too Low
Salt Tank level too low, insufficient salt dose, insufficient regeneration cycle, brine tank float repairs
BRINE TANK WATER TOO LOW - CONTENTS: How to Diagnose & Fix a Water Softener brine tank or salt tank that has too little water inlet, too small a salt dose outlet, inadequate water softener regeneration cycles, water softener is not softening the water.
POST a QUESTION or READ FAQs about how to diagnose water softener salt dosing tank or brine tank operating problems; too little water is in the brine tank, too little salt, inadequate water softener regeneration, water softener leaves water too hard
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Water softener brine tank level too low:
What causes too little water in the water conditioner brine tank or salt tank & how do we fix it. If too little water enters the salt tank or brine tank the water softener regeneration cycle will be insufficient and the water conditioner will not adequately reduce water hardness. Salt tank problem diagnosis & brine tank float control diagnosis & repair.
Diagnose & Fix Water Softener Problems: this article series describes procedures for diagnosing and repairing water softener or water conditioner problems including water conditioner control settings and adjustment or repair, brine tank and brine tank float cleaning and repair, and the proper amount of water softening or conditioning that is needed.
Brine Tank Water Too Low: Not Enough Water in the Brine Tank
Question: our water softener brine tank never fills up with water but we do see the salt level dropping - what's wrong with our water conditioner?
The salt tank wont fill with water but salt level still goes down - Tom 11/27/12
Reply: probably nothing
The water softener brine tank does not normally FILL with water. Rather, water is pumped into the bottom of the tank, water level rises under control of a brine level float switch usually found inside a vertical plastic tube in the tank, then pumping stops, salt dissolves, and salty water is pumped back out.
So you won't see the water unless you've let the salt run out.
Sounds as if your system is working normally.
[Click to enlarge any image]
Reader follow-up: what is the brine tank on a water softener?
the tank that holds the salt is the brine tank? or is the small tube with the salt level numbers the brine tank? - Tom
Reply: photo above shows the water softener brine tank, brine level float control tube, and water/brine pumping tube
The tank that contains the salt crystals or salt pellets is the brine tank (red arrow in our photo above). The small vertical tube is the location of the brine level float control and will be found in the salt tank at one side (blue arrow in our photo above).
Water passes from the water softener resin tank (at the right side in our photo) into the brine tank through the black tube (yellow arrow in our photo above) to dissolve salt, and salty water is pumped back through the resin tank through that same tube.
Question: brine tank & float question - tank is not filling - stuck brine tank float valve assembly
I have an autotrol system and a brine tank with float. The tank is no longer reliably filling. I have replaced screens and filter in the autotrol head unit , which has fixed it in the past. However it is still not filling.
I think it may have to do with the float, it looks like when the level is too low, it stops flow?? Water comes out of the tube to the tank if i disconnect it. Slow or not sure when its connected to the float. Any suggestions? - Scott 7/8/12
Scott look over the brine tank float switch info in the article above. The float should move freely up and down and the switch operates on float rise. If yours is stuck, clean the float vertical tube and all float parts and switch and try again - or replace The switch if needed.
Reader Comments: Diagnostic tips for a water softner that won't draw brine
Although I'm not the most expert on water softeners I've messed with them a bit and inspected quite a few. It is common for the brine tank float to get stuck or fail to operate properly. Some folks go on for years with the system not working, never realizing a thing until their water pipes clog with minerals that the softener was not removing because it was not doing a thing.
I haven't come across the air leak problem but that makes some sense, though I'd like to hear more specifics about where the air leaks occur; I suspect that an air leak in the brine line between brine tank and softener might let air rather than brine pass back to the softener, but I'd think during the brine tank fill cycle you'd see water leaks at the same place. The manual for your water softener says an air leak in the brine line can cause a brine tank overflow.
I'd suggest removing all the salt (you've done that) then starting a manual regen cycle and then stand there and with the lid off the brine tank watch what it does. You should see water enter, the float rise, the float stop the water entry, then the water flow should reverse and flow back through the softener.
(If you'd photograph the whole sequence and email me those that'd be a useful addition to our diagnostic routines online.)
Take a look at the diagnostics page in the manual - I'll quote some key passages:
Continuing with Autotrol w55/440 Water softener diagnostics, here are things to watch for during the regen cycle:
Control will not draw brine: possible causes-
- low water pressure
- restricted drain line
- injector plugged or defective
- Valve 2 disc and/or 3 not closed (see parts diagram)
- Air check valve prematurely closed (there's that air check valve again)
Also interesting is a system that actually takes or uses less salt than the setting on the salt dose dial (I suspect this is a good candidate for your complaint as you say the softener gives soft water after a regen cycle but just for 2 days):
The Dx says look for foreign matter inside the controller - debris causes incorrect flow rates.
You should see this in the quantity of water pumped in and out of the brine tank (it'd be reduced)
Finally, some general Dx for "Run out of Soft Water Between Regen Cycles"
- improper regen (which we've been discussing)
- incorrect salt dose setting
- incorrect hardness or capacity setting
- water hardness has increased (in the incoming water supply)
- Restricted meter turbine rotation due to foreign matter in the meter (see parts diagram)
Given the age of your water softener I'd be alert for the debris-related diagnostics in the company's list.
If you don't have the manual on hand contact me by email and I can send you a copy.
That list is very helpful. I decided to shock the well again today (2nd time in a month) because I still believe it's at the heart of my problems. I'm clogging up a whole house filter once every 7-10 days now. Used to be every 2 months. It's never been a good well and I'm thinking it got worse and the softener simply can't deal with the high iron content, I'm flushing the chlorine out as I type, the hose has been running for well over 1 hour and the water is still very brown.
Hopefully it starts running clear soon. If I can't improve that part and go at least a couple months before a filter change, I think a new well or at least well company inspection is next.
Question: Crown twin tank water softener is running much longer on its regeneration cycle,
(May 11, 2014) Stuart Machin said:
My Crown twin tank water softener is running much longer on its regeneration cycle, 2-3 hours instead of the usual 10-15 minutes.
What is the likely problem & is it something I can fix myself ?
Stuart start by checking the control settings. Then try a manual regen cycle and watch what happens. Is the clock reading ticking or moving? I suspect a debris clogged control, check valve, or possibly a salt-stuck brine float.
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 North Dakota Standards for Water Softeners, North Dakota General Authority Law, Chapter 62-04-08, Water Softener Units http://www.legis.nd.gov/information/acdata/pdf/62-04-08.pdf. "The objective of this chapter is to provide a standard of quality, capacity,
and performance for water softener units. Water softener performance
is to be based upon referee tests procedures described in section
 Culligan Mark 10 Water Softener 1994-1998 Installation and Operating Instructions (covering models manufactured after 1995) (1-96) 01881948.pdf available from www.culligan.com
 Water Softeners, CMHC, Canadian Mortgage and Housing Corporation, cmhc-schl.gc.ca/en/co/maho/wawa/wawa_005.cfm - October 2008. Canada Mortgage and Housing Corporation acknowledges the contribution of Health Canada to the development of this document. For further questions regarding water treatment and water quality, contact Health Canada at email@example.com or call 613-957-2991 or 1-866-225-0709.
 "Commercial Water Softener Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia) for commercial, industrial and residential application www.ibcwater.com.au (07) 3219 2233
 "Non electric water softener,
Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
 "Water Softener Twin Tank Installation and Operating Instructions", IBC Filtration & Water Treatment Products (Australia), op.cit.
 Our Water Hardness Table used at originated with but was edited and added to from http://www.bestfish.com/tips/110598.html and also from http://www.water-research.net/hardness.htm
 Thanks to reader Gail Sanchez for discussing water softener backups and floods after an electrical outage - August 2010
 Water Right, 1900 Prospect Court
Appleton, Wisconsin 54914, Tel: 920-739-9401, Website: http://www.water-right.com/ and their water softener manuals are available online at http://www.water-right.com/library/literature/literature_manuals.html
 General Electric Corporation, Operation Manual, 740/760 [Water Conditioner or Water Softener] Control, 255 and Performa Series Valves, (268, 268 FA), General Electric Corp. 2007
Builder's Guide to Wells and Septic Systems, Woodson, R. Dodge: $ 24.95; MCGRAW HILL B; TP;
Quoting from Amazon's description: For the homebuilder, one mistake in estimating or installing wells and septic systems can cost thousands of dollars. This comprehensive guide filled with case studies can prevent that. Master plumber R. Dodge Woodson packs this reader-friendly guide with guidance and information, including details on new techniques and materials that can economize and expedite jobs and advice on how to avoid mistakes in both estimating and construction. Chapters cover virtually every aspect of wells and septic systems, including on-site evaluations; site limitations; bidding; soil studies, septic designs, and code-related issues; drilled and dug wells, gravel and pipe, chamber-type, and gravity septic systems; pump stations; common problems with well installation; and remedies for poor septic situations. Woodson also discusses ways to increase profits by avoiding cost overruns.
Country Plumbing: Living with a Septic System, Hartigan, Gerry: $ 9.95; ALAN C HOOD & TP;
Quoting an Amazon reviewer's comment, with which we agree--DF:This book is informative as far as it goes and might be most useful for someone with an older system. But it was written in the early 1980s. A lot has changed since then. In particular, the book doesn't cover any of the newer systems that are used more and more nowadays in some parts of the country -- sand mounds, aeration systems, lagoons, etc.
"International Private Sewage Disposal Code," 1995, BOCA-708-799-2300, ICBO-310-699-0541, SBCCI 205-591-1853, available from those code associations.
"Manual of Policy, Procedures, and Guidelines for Onsite Sewage Systems," Ontario Reg. 374/81, Part VII of the Environmental
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Manual of Septic Tank Practice, US Public Health Service's 1959.
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This book is filled with good line drawings and photographs to depict everything from the historical perspective to the current dry toilets and their construction..
Quality issues in harvested rainwater in arid and semi-arid Loess Plateau of northern China,
K. Zhu, L. Zhang, W. Hart, M. Liu, H. Chen (out of print, find by search and deferred order).
Amazon's description may be helpful: Loess soils cover vast areas in the arid and semi-arid regions of northern China. Due to the lack of reliable surface water and ground-water, rainwater harvesting has played a prominent role in farmers' domestic usage and agricultural irrigation. An economical and valid type of water storage cistern with optimum design of components has been introduced to rural areas in the Loess Plateau. Different collection alternatives showed apparent variations in rainwater quality. By using different catchments, such as mortar roofs and cement-paved courtyards, compacted land or road surfaces, rainwater can be effectively collected for storage in cisterns. This study focused mainly on the quality of rainwater harvested from the different catchment systems and stored for different periods of time. By analysis of the water samples stored in these cisterns, it was evident that rainwater quality could be improved significantly by self-purification during the storage. With emphasis on rainwater quality affected by the
different catchment systems, it was found that the measured inorganic compounds in the rainwater harvested from roof-yard catchment systems generally matched the WHO standards for drinking water, while the concentrations of some inorganic compounds in the rainwater collected from land and road surfaces appeared to be higher than the guideline values for drinking water, but generally not beyond the maximum permissible concentrations. However, Fecal Coliform, which is an important bacteriological parameter for the three catchment systems, exceeded the limits of drinking water to a greater extend. Trace amounts of 55 organic pollutants were identified, including aliphatic hydrocarbons, aromatic compounds and phthalate esters, etc. The analytical results indicated that roof-yard catchments that included the ''first flush'' usually provided safe drinking water with low organic contents, even for rainwater collected immediately after rainfall. In contrast, rainwater harvested from road surfaces had poor quality
with respect to the organic constituents, regardless of stored time.
City eying home water-recycling technology; uses bath and washer water for irrigation., (ReWater Systems' equipment for greywater irrigation):
This is an article from: San Diego Business Journal [HTML] (Digital) available online in digital format. I have not (yet) reviewed it -- DF
Onsite Wastewater Disposal, R. J. Perkins;
Quoting from Amazon: This practical book, co-published with the National Environmental Health Association,
describes the step-by-step procedures needed to avoid common pitfalls in septic system technology.
Valuable in matching the septic system to the site-specific conditions, this useful book will help you install a reliable system in
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Onsite Wastewater Treatment Systems, Bennette D. Burks, Mary Margaret Minnis, Hogarth House 1994 - one of the best septic system books around, suffering a bit from small fonts and a weak index. (DF volunteers to serve as indexer if Burks/Minnis re-publish this very useful volume.)While it contains some material more technical than needed by homeowners, Burks/Minnis book on onsite wastewater treatment systems a very useful reference
for both property owners and septic system designers. We refer to it often.
While Minnis says the best place to buy this book is at Amazon (our link at left), you can also see this book at Minnis' website at http://web page .pace.edu/MMinnisbook
Septic Tank/Soil-Absorption Systems: How to Operate & Maintain [ copy on file as /septic/Septic_Operation_USDA.pdf ] - , Equipment Tips, U.S. Department of Agriculture, 8271 1302, 7100 Engineering, 2300 Recreation, September 1982, web search 08/28/2010, original source: http://www.fs.fed.us/t-d/pubs/pdfimage/82711302.pdf
Water Wells and Septic Systems Handbook, R. Dodge Woodson. This book is in the upper price range, but is worth the cost for serious septic installers and designers.
Quoting Amazon: Each year, thousands upon thousands of Americans install water wells and septic systems on their properties. But with a maze of codes governing their use along with a host of design requirements that ensure their functionality where can someone turn for comprehensive, one-stop guidance? Enter the Water Wells and Septic Systems Handbook from McGraw-Hill.
Written in language any property owner can understand yet detailed enough for professionals and technical students this easy-to-use volume delivers the latest techniques and code requirements for designing, building, rehabilitating, and maintaining private water wells and septic systems. Bolstered by a wealth of informative charts, tables, and illustrations, this book delivers:
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Wells and Septic Systems, Alth, Max and Charlet, Rev. by S. Blackwell Duncan, $ 18.95; Tab Books 1992. We have found this text very useful for conventional well and septic systems design and maintenance --DF.
Quoting an Amazon description:Here's all the information you need to build a well or septic system yourself - and save a lot of time, money, and frustration. S. Blackwell Duncan has thoroughly revised and updated this second edition of Wells and Septic Systems to conform to current codes and requirements. He also has expanded this national bestseller to include new material on well and septic installation, water storage and distribution, water treatment, ecological considerations, and septic systems for problem building sites.
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