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  1. PurewaterGuy

    Storage Tank level controls

    I would like to boost the incoming water pressure to some equipment. I want to connect the city feed to a 200 gallon storage tank. I need a valve that will open and close when the high and low level controls signal the tank is either low or full. Any suggestions on what components I can use...
  2. PurewaterGuy

    Webtrol H10B8SS Pump Question

    Looking at the literature for the Webtrol H10B8SS Pump it states the pump works best in the 8-10 GPM range and will max out at 18 GPM. My problem, The pump is producing 14-15 GPM and I cannot seem to get the pump down to the 8 GPM range. Any questions or suggestions appreciated.
  3. PurewaterGuy

    35% Hydrogen Peroxide Solution

    I have forgotten this information. I have a 150 Gallon Storage Tank that I'm going to disinfect with a 35% Hydrogen Peroxide Solution. I need to know, How many gallons of 35% Hydrogen Peroxide Solution do I use to disinfect the 150 gallons of water? It's been a while since I've done this...
  4. PurewaterGuy

    Water Quality Question

    Anyone knowledgeable about Gram Negative Bacteria? I recently had some tap samples sent to a lab and they came back positive for Gram Negative Bacteria. Standard plate count testing done, results in 48 hours. Is this harmful for human consumption?
  5. PurewaterGuy

    Pipe Flow Calculation

    I have a TOTAL of 200' of 1" pipe, the pipe runs along the floor at the baseboards on three walls, and doubles back mirroring itself. The outgoing pipe has 13 1" elbows. The return pipe has 15 1" elbows. The distribution pump feeding the loop is rated for 5 GPM. The loop returns to a PRV on a...
  6. PurewaterGuy

    Need knowledge of Backflow

    This is kind of a two-fold question here. 1) I would like to understand how a backflow preventer works. 2) Also, at a jobsite there is a backflow preventer installed prior to some pretreatment equipment I have, the town made the company have one installed. The other day I got a call stating...
  7. PurewaterGuy

    Algae build-up in storage tank

    I'm experiencing green algae in a storage tank. This is the only system I have that has this problem. Located 40 minutes south of Boston. System is set-up as follows. (1)- 12"x52" Turbidity Unit, (2) - 12"x65" Carbon units (6cft) (1)- 20" prefilter 5 micron, (1)- Reverse osnmosis Unit with (2)...
  8. PurewaterGuy

    DI water across RO Membranes question

    I recently was experiencing high TDS readings on the permeate side of some RO membranes. The TDS readings were high on six RO units. The original setup was as follows. Two carbon units prior to each RO. (that's all) The new setup I installed was as follows. One 5 micron prefilter, two carbon...
  9. PurewaterGuy

    Tank Overflow Pipe Sizing Question

    I have just installed a Water Storage Tank. The dimensions are 140 Gallon Vertical - 70.25" H x 24" W I have a Reverse Osmosis Unit filling the tank at 2.5 GPM I am going to Plumb a overflow package to drain. I'm thinking 1" Bulkhead fitting with 1" schedule 80 pipe Will this be enough to...
  10. PurewaterGuy

    DI Water for Humidity Chambers

    Hi to everyone, new here, looks like a great site. I have a question pertaining to the level of DI Water feeding Humidity chambers. The chambers require DI Water of 0-2 Megohm quality. In the past I've provided 18 Meg through mixed bed deionizers but now this seems to be too agressive for the...

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