Click here to Find a Contractor in your area.
Welcome! Here are the website rules, as well as some tips for using this forum.

If you've found help here, check back in to let us know how everything worked out.
It's a great way to thank those who helped you.
Need to contact us? Visit https://heatinghelp.com/contact-us/.

glycol mixture

when you have a job that has a spec. for a certain glycol mixture,say 30%,does that mean it is 30% pure glycol and 70% water or 30% pure glycol and 70% inhibitors? we normally buy our glycol pre mixed and give the supplier this spec.

Comments

  • hot_rodhot_rod Member Posts: 13,224
    30%

    glycol and 70%water. Ideally it should be de-mineralized water if you buy 100% glycol and blend it at the jobsite. You can purchase DE water or rent a filter to use at the jobsite to filter your source water. For large jobs requiring hundreds of gallons of blend water it might make sense to treat the water at the site, or buy drums of pre-mixed glycol.



    If a manufacturer of glycol knows how you are going to blend it they will inhibit it accordingly. So with a 30% glycol mix they would add more inhibitors, as one of the inhibitors job is to compensate for the blend water.



    Inhibitors buffer the ph, lock up hardness, film providers, O2 scavangers, color, etc.



    hr
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    The magic is in hydronics, and hydronics is in me
This discussion has been closed.

Welcome

It looks like you're new here. If you want to get involved, click one of these buttons!