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November 22, 2014      
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Ohio Pure Water Company :: Water Filter Systems Information

Water Filter Systems Information
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Overview Tannin Filter Systems
Filter System Components Calcite Filter System
Carbon Filter Systems Filter System Installation
Sediment Removal Filter Systems Fleck Control Valve Specifications
Iron Removal Filter Systems Filter System Specifications
Chlorinators Fleck Service Manuals
Nitrate Filter Systems Installation Guide
Loading Media Guide

On a very simple basis, Filter Systems are classified by the amount and type of media or resin they hold, measured in cubic feet, and the flow rate of water. The amount of resin/media determines the capacity or size of the system while the type determines the water characteristic being eliminated.

All of our Filter Systems (except the Aeration Tank System) are equipped with quality Fleck valves for backwashing or regeneration. We offer 11 Filter Systems that specifically remove undesirable water characteristics and 1 Filter System that raises the pH level in acidic water.

Filter Systems which remove these undesirable characteristics include:

We size our filters according to the flow rate of your water and the number of people present in the home. Most residential applications have around a 5-8 GPM flow rate. The higher the flow rate of the water going through the unit, the larger the mineral tank will be, and the more media you will have.

With a larger tank, the filtering media will be physically deeper thereby permitting the water flowing down through it to be in contact with the media longer, filtering out impurities properly.

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These systems include:

  • The appropriate size resin tank for your application
  • Appropriate media for your application
  • 15x17x36 brine tank w/2310 safety valve (Nitrate and Tannin Filters only)
  • 1" basket riser
  • Brine grid (Nitrate and Tannin Filters only)
  • Safety overflow (Nitrate and Tannin Filters only)
  • 48" valve to brine tank tubing (Nitrate, Manganese Greensand and Tannin Filters only)
  • 12x15 Potassium Permanganate tank (Manganese Greensand Filter only)
  • Air mixing tank with inline injector valve(Terminator Filter only)
  • Choice of one of the following six valve connections: 3/4" or 1" Noryl yoke, 3/4" or 1" Brass yokes, 3/4" or 1" Stainless bypass valves

The only item not included with our Filter Systems is a section of 1/2" inside diameter flexible plastic tubing you will need between the valve and your drain.

We ship all Filter Systems with tank diameters that are 13" or less by UPS Ground. All shipments are shipped the next business day to the address of your choice. All larger diameter tank filter systems MUST be shipped via FREIGHT due to the weight. Freight Shipping to the freight company's terminal closest to your shipping address is included in the price. You will have to make arrangements to have the item delivered from the freight terminal to your location.

Because of the weight limitations, filter systems are not shipped 'loaded', (which means the resin will not be in the resin tank). All you will need to do is put the resin in the resin tank and then screw the valve on the top of the tank. We have
resin loading instructions available online to guide you through this simple process.

To remove chemical and chlorine tastes and odors from your water, we recommend a Carbon Filter System. Additionally, if you have hydrogen sulfide present (rotten egg odor), you may want to consider a Centaur Carbon Filter System.

We offer 6 different size units for residential applications, where size of the unit is based primarily on the flow rate of your water passing through the unit, which then determines the amount of Carbon media per cubic foot that is inside the mineral tank.

All Carbon Filter Systems are sized to operate at 5, 6, 7 or 9 gpm flow rates, using either the Fleck 5600 valve for 5-6 gpm applications, the Fleck 2510 valve for 5-7 gpm applications, or the Fleck 2750 valve for 7-9 gpm applications. For these applications, we use a measured volume of Activated Carbon Media, (1 to 4 cu/ft.).

Carbon is very porous and will absorb chlorine and other odors from water on contact. As the water flows down through the Carbon media inside the tank, it absorbs tastes and odors from your incoming water, making your water taste better, cleaner and fresher.

The Fleck valve is used to backwash the Carbon media, rinsing and reclassifying it inside the mineral tank. This backwashing allows the water to easily continue to flow through the Carbon. This also makes certain the Carbon media particles are rearranged on a regular basis, ensuring that new porous areas of the Carbon media are exposed to the untreated water passing through it, making the unit last longer.

Generally, Carbon Filter Systems used on public water supplies will continue to absorb these odors and chlorine for about three (3) years before the Carbon needs to be replaced. After installing the unit, you will know when it is time to replace the Carbon media, when you start noticing the odor of chlorine in your water again.

If you get your water from a private source such as a well or cistern, it is important to make certain that there is no sulfur present in your water, as this will deplete your Carbon's capacity to absorb tastes and odors much more rapidly, causing the life of the Carbon media to shorten sooner.

When the time comes to replace the media, you can save money and change it yourself! The Carbon media is very easily replaced by simply unscrewing the valve head off the mineral tank, dumping the old carbon out and replacing it with fresh Carbon. Once the Carbon has been replaced, screw the valve head back on the mineral tank, and you are in business! If you want to do it yourself, simply check out our online step by step
Replacing the Media guide. We also stock Carbon or Centaur Carbon media that you can purchase by the cubic foot at this link.

Carbon Media Specifications.
Centaur Carbon Media Specifications.
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To remove visible particles and sediment from your water, we offer 6 different size filter systems for residential applications using either a Multi-Media mixture or ChemSorb media. The size of the filter systems are based on the flow rate of the water passing through the unit.

Our
Multi-Media Filter Systems are sized to operate at 5, 6, 7, 16 or 20 gpm flow rates, and use either the Fleck 5600 valve for 5-6 gpm applications, the Fleck 2510 valve for 5-7 gpm applications, or the Fleck 2750 valve for 7-20 gpm applications.

A Multi-Media Filter System consists of several layers of filtering media usually ranging around 30-36 inches deep inside the mineral tank. The ideal solution is to have the large grains of media on top to trap large solids, and uniformly decreasing grain size in the direction of flow with the smallest grains at the bottom to do the final polishing of the water.

We use a lower layer, or support bed of
#8-12 Garnet on the bottom of the tank, which is a high hardness, high density granular filter media. For the middle layer we use a specially graded filtering sand with a high silica content which is specifically made for use in residential, municipal and industrial applications for sediment removal. For the upper layer we use Filter-Ag made by Clack Corporation, which reduces suspended solids down to the 20-40 micron range. Filter-Ag's larger particle size creates less pressure loss through the filter and allows deeper sediment penetration into the bed for higher sediment loading and longer filter runs between backwashing. Sediment particles are removed from the water as it flows through these special filtering media. Our Multi-Media Filter Systems can reduce sediment levels to as low as 10-20 microns!

Our
ChemSorb Filter Systems are sized to operate at 7, 9, 11, 17 or 23 gpm flow rates, and use either the Fleck 5600 valve for 7 gpm applications, the Fleck 2510 valve for 7-11 gpm applications, or the Fleck 2750 valve for 9-23 gpm applications.

ChemSorb� Filter Granules are used as a water/liquid, filter bed (or tank) material in lieu of sand/anthracite, pecan shells or other, coarse filtration material to efficiently remove suspended solids and fine turbidity particles. The filter granules physically filter and trap the suspended solids. In addition, the granules remove a wide range of colloidal and soluble, inorganic metallic, contaminants by surface sorption, chemical binding, charge-neutralization, coagulation, reactions and/or ionic, ion-exchange phenomena. One of the advantages of ChemSorb is its superior filtration rating (5 micron nominal) which translates to enhanced water quality.

The Fleck valve is designed to backwash and rinse the media at a set time automatically. This normally occurs every 3-4 days. While in the backwashing and rinsing cycle, the media is reclassified to keep it from packing down inside the tank. Also during the backwash and rinse cycle, the valve automatically rinses the media clean, sending unwanted, trapped sediment particles down the drain preparing the unit for continuing sediment removal.

These types of sediment filters will normally last several years with maintenance free service.

Before deciding which Iron or Hydrogen Sulfide removal system is right for your water, you need to identify which type of Iron you have in your water and/or if you have a "rotten egg" odor present. Different forms of Iron require different types of treatment to completely remove them from your water.

Hydrogen Sulfide is commonly found in water containing iron causing the water to have a bad "Rotten Egg" odor.

There are basically four types of Iron found in water, they are:

  • Oxidized Iron - Contains red particles easily visible as the water is drawn from the faucet.
  • Soluble or "Clear Water" Iron - Very common and will develop red particles in the water after water is drawn from the faucet and exposed to the air for a period of time. The iron particles actually "rust" once they are exposed to air.
  • Colloidal Iron - Consists of extremely small particles of oxidized iron particles suspended in water. This type of iron looks more like cloudy, colored water instead of actually seeing small red particles of iron.
  • Bacterial Iron - Consists of living organisms found in the water and piping of the well and house. You can tell if you have Bacterial Iron by looking in your toilet flush tank and finding a reddish/green or black slime buildup. To confirm this, you should take a sample of water to your local health department for testing.
  • Hydrogen Sulfide - Causes water to have a pungent "rotten egg" odor.

For removal of Oxidized Iron (also referred to as Orange Iron) with NO odor, choose the Birm Filter System.

For removal of Soluble Iron (also referred to as Clear Water Iron) with or without hydrogen sulfide (rotton egg) odor, choose the
Pyrolox Filter System.

For removal of Oxidized or Soluble with hydrogen sulfide (rotten egg) odor, choose the
Manganese Greensand Filter System, OR the Terminator Filter System. (Note: Terminator systems work only with submersible pumps).

For removal of Colloidal and Bacterial Iron, the raw water must first be
treated with Chlorine, before entering either the Birm, Pyrolox, Manganese Greensand or Terminator Filter Systems.

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Birm Filters

Birm Filter Systems remove Oxidized or Orange Iron. These units work very well at removing this type of Iron and Manganese from water supplies with a pH of 6.8+, requiring only a periodic backwash to keep the Birm media reclassified and loose inside the mineral tank. Birm is a special Iron removing media that simply filters the Iron from your water as it flows through it. Iron particles readily adhere to the Birm media on contact. Birm Filter Systems will not remove the Hydrogen Sulfide "Rotten Egg" Odor.

We offer 6 sizes of Birm Filter Systems, which are based on the flow rate of water passing through the unit. Our systems are designed to operate at 5, 6, 7 or 9 gpm flow rates, and use either the Fleck 5600 valve for 5-6 gpm applications, the Fleck 2510 valve for 5-7 gpm applications, or the Fleck 2750 valve for 6-9 gpm applications. These systems backwash automatically and do not require any regeneration solution for operation.

Birm Media Specifications.

Pyrolox Filters

Pyrolox Filter Systems remove Soluble or "Clear Water" Iron. These units work very well at removing this type of Iron and Manganese, as well as removing any hydrogen sulfide (rotton egg) odor, from water supplies with a pH of 6.5+. It is a durable material with long service life and low annual attrition of bed, requiring no chemical regeneration, only periodic backwashing.

Pyrolox works on a principle whereby the hydrogen sulfide, iron and manganese are oxidized and trapped on the media while simple backwashing cleans the bed. No chemical regeneration is required, nothing is imparted into the drinking water and Pyrolox has a high capacity for low contaminant concentrations. Pyrolox can be used in conjunction with aeration, chlorination, ozone or other pretreatment methods for difficult applications. Chlorine or other oxidants accelerate the catalytic reaction. Because of its heavy weight, it is very important that Pyrolox filters are backwashed properly to insure adequate bed expansion and continued service life.

We offer 3 sizes of the Pyrolox Filter Systems, which are based on the flow rate of water passing through the unit. Our systems are designed to operate at 4, 5 or 6 gpm flow rates, and use either the Fleck 5600 valve for the 4 gpm application, or the Fleck 2510 valve for 5-6 gpm applications. These systems backwash automatically and do not require any regeneration solution for operation.

Pyrolox Media Specifications.

Manganese Greensand Filter Systems remove Oxidized and Soluble Iron and Manganese with a "Rotten Egg" (Hydrogen Sulfide) odor in your water within a pH level of 6.2 - 8.8. The Manganese Greensand media is regenerated every few days with a weak solution of Potassium Permanganate solution.

We offer 7 sizes of the Manganese Greensand Filter Systems, which are based on the flow rate of water passing through the unit. Our systems are designed to operate at 5, 6, 7, 9 or 12 gpm flow rates, and use either the Fleck 5600 valve for 5-6 gpm applications, the Fleck 2510 valve for 5-7 gpm applications, or the Fleck 2750 valve for 7-12 gpm applications.

These filters must be regenerated with a weak Potassium Permanganate solution, (usually 2-4 ounces per cubic foot of Manganese Greensand media per regeneration), to restore the oxidizing capacity of the resin bed. The Potassium Permanganate is stored in a small separate tank (12"dia x 15" ht) which will hold up to 30 lbs. of Potassium Permanganate powder. You can purchase the powder
at this link.
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Terminator Filter Systems remove Oxidized and Soluble Iron with a "Rotten Egg" (Hydrogen Sulfide) odor in your water. We use a standard Birm Filter System, and add some Filter-Ag media to help remove sediment. Next, we incorporate an in-line air injection fitting and mixing tank that "injects" a small amount of "Micro Bubbles" into the water as it flows through a venturi nozzle inside the fitting. The Birm media is 200-300% more aggressive in removing Iron if the water entering the unit has 10-15% more oxygen. Enough so that this unit will remove up to 20 PPM of Iron and 4 PPM of Hydrogen sulfide.

There are no air pumps required for this unit to operate except that you must have a submersible pump for proper operation. The inline air injection fitting must be installed in the main incoming water line, before your pressure tank and pressure switch.

We offer 5 sizes of the Terminator Filter System, which are based on the flow rate of water passing through the unit. Our systems are designed to operate at 4, 5, 7, 8 or 10 gpm flow rates, and use either the Fleck 5600 valve for 4-5 gpm applications, the Fleck 2510 valve for 7-8 gpm applications, or the Fleck 2750 valve for 10 gpm applications.

Terminators backwash automatically and do not require any regeneration solution for operation.

(See installation diagram below. Terminator systems include the air injector, mixing tank assembly and Filter tank).

Dry Pellet Chlorinators

Dry Pellet Chlorinators dispense a measured amount of chlorine in order to destroy Bacterial Iron and prepare Colloidal Iron for removal with any of the above Filter Systems. To keep Colloidal and Bacterial Iron from returning and forming in your water requires chlorination of the entire water system starting in the well casing where the problem begins.

We offer the "Sentry I" Dry pellet Chlorinator system which attaches to the top of your well casing and drops a measured amount of
dry chlorine pellets into your well keeping the Iron from forming again.

Remember......Birm, Pyrolox, Manganese Greensand or Terminator Filter Systems will not work on Colloidal or Bacterial Iron water, unless the water has been Chlorinated first!

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To remove Nitrates from your water, we offer two residential Nitrate Filter Systems. The first system holds 1 cubic foot of special Nitrate removing resin which handles a flow rate of 5 gpm, (gallons per minute). Our second unit holds 1.5 cubic feet of the special Nitrate removing resin and handles a flow rate of 6 gpm. The Nitrate removal units use either the Fleck 5600 or 2510 valves to regenerate at a pre-set interval, normally every 3-6 days.

These units regenerate just like a water softener, using salt to clean the resin during regeneration. They have a brine tank included with each system for holding the salt. Our Nitrate Filter Systems are designed and built to last for many years of maintenance free service. 

Note: There must be NO Iron present in the water entering a Nitrate unit! Also, for drinking water purposes, we recommend the use of a
Reverse Osmosis System which removes all traces of Nitrates from water.

To remove Tannin from your water, we offer two residential Tannin Filter Systems. The first unit holds 1 cubic foot of special Tannin removing resin which handles a flow rate of 5 gpm, (gallons per minute). Our second unit holds 1.5 cubic feet of the special Tannin removing resin and handles a flow rate of 6 gpm. The Tannin Filter Systems use either the Fleck 5600 or 2510 valves to regenerate at a pre-set interval, normally every 3-6 days.

These systems regenerate just like a water softener, using salt to clean the resin during regeneration. They have a brine tank included with each system for holding the salt. Our Tannin Filter Systems are designed and built to last for many years of maintenance free service.

To raise the low pH level in your water, choose a Calcite "Neutralizer" Filter System. We offer 4 sizes of Calcite Filter Systems for residential applications which is based on the flow rate of the water passing through the unit.

Our Calcite systems are sized to operate at 5, 6, or 7 gpm flow rates, and use either the Fleck 5600 valve for 5-6 gpm applications, the Fleck 2510 valve for 5-7 gpm applications, or the Fleck 2750 valve for 6-7 gpm applications.

Calcite is a naturally occurring, crushed and screened white marble, calcium carbonate media. It is used to inexpensively neutralize acidic or low pH waters to a neutral, less corrosive effluent.

One of the advantages of Calcite, is its self-adjusting property in that it corrects pH only enough to reach a non-corrosive equilibrium. It does not over correct under normal conditions. Upon contact with Calcite, acidic waters slowly dissolve the calcium carbonate to raise the pH level of your water, which reduces the potential leaching of copper, lead and other metals found in typical plumbing systems.

Periodic automatic backwashing will prevent packing of the media inside the tank while reclassifying the Calcite bed to help maintain high service flow rates. Depending on the level of pH, water chemistry and service flow, the Calcite bed will have to be periodically replenished as the Calcite is depleted.

Normally, a Calcite Filter System will need to be re-filled about every 2-3 years, depending on the amount of water you use, and the pH of your raw water entering the unit. As the Calcite slowly dissolves in your water, neutralizing the low pH level, it will also increase the hardness of your water to the point where you may need to add a water softener.

There are no chemicals or brine tanks needed for these units to operate, only a drain for back-washing and an electrical outlet to operate the automatic backwashing valve.

The Fleck valve automatically backwashes the Calcite media on a regular interval, normally every 2-3 days. This helps keep the media loose and free so incoming water passing through the mineral tank will not become restricted.

The Calcite Filter System's media will normally last approximately 3 years. The Calcite media slowly dissolves over time and will need to be replenished occasionally.

When the time comes to reload the system with new media, you can contact one of your local water conditioning company to re-bed the mineral tank for you or, if you want to save money, change it yourself! The Calcite media is easily replaced by unscrewing the Fleck valve off the mineral tank and adding more media to the unit. Once the Calcite has been replenished, screw the valve head back on the mineral tank and you are in business! (See the
Replacing the Media guide). You can buy the Calcite media you need at this link!

Calcite Media Specifications.

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Many homes are already plumbed for a filter system. Normally plumbing will consist of a 3-way bypass valve system, a nearby drain and a regular 120v power source.

If your home is not already plumbed with a bypass and you have basic plumbing skills, you can do it yourself. Or, you can order our optional stainless bypass valve that simply connects to the Fleck valve on your unit.

Our softeners and filter systems are normally shipped UPS "Unloaded" to your address. It only takes about 10 minutes to load the resin/media into your mineral tank (we supply a special resin funnel). This way you get to see what the inside of your unit and the resin/media looks like by loading it yourself.

Installation instructions for installing your filter system are available at this link,
Installation Guide. Instructions for loading the media into your resin tank can be found at this link, Loading Media.

Remember, 3/4" or 1" Fleck stainless Bypass valves are available at no additional cost. These valves simply connect to the Fleck valve on your unit. This bypass valve makes installing the unit much simpler and faster for you!

All Filter Systems are based on water flow rates in gpm (Gallons Per Minute) through the unit.
The flow rates shown in the charts below, are based on water quality determined for each size unit, at the flow rate shown, to be in what we target as being in the "Excellent" water quality range.
If your gpm flow is higher (8-10 gpm) than the rates shown on the chart, the quality of your water will drop into the "High" quality range, and if your flow rate is higher still (10-15 gpm), your water quality will drop into the "Utility" range.

Carbon, Birm, Manganese Greensand, Terminator, Multi-Media and Calcite Filter Systems:

Tank Diameter (inches) 10 10 12 13 14 16
Filter Media (cu.ft.) 1.0 1.5 2.0 2.5 3.0 4.0
Mineral Tank Size (WxH) 10x44 10x54 12x48 13x54 14x65 16x65
Service Flow Rate GPM 5.0 5.0 6.0 7.0 7.0 9.5
Floor Space Required (WxDxH)* 11x14x51 11x14x62 13x14x56 14x14x62 15x15x73 17x17x73
Carbon Filter Weight (Lbs) 80 100 120 145 175 200
Birm Filter Weight 90 120 140 180 210 270
Manganese Greensand Filter Weight 140 180 220 280 330 430
Terminator Filter Weight 90 120 n/a n/a n/a n/a
Multi-Media Filter Weight 70 90 110 130 260 340
Calcite Filter Weight 150 200 250 320 n/a n/a

*Add 12" to the Width dimension for Manganese Greensand and Terminator floor space requirements

Nitrate and Tannin Filter Systems:

Tank Diameter 9 10
Filter Media (cu.ft.) 1.0 1.5
Mineral Tank (WxH) 9x48 10x54
Brine Tank (WxDxH) 15x17x36
Service Flow Rate GPM 5.0 6.0
Floor Space (WxDxH) 25x15x56 26x15x62
Weight (Lbs) 100 160

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