By Pentair Pool Products



Model # R151186

Alternate Part #'s PENR151186, RAI-45-830

Product Description

Rainbow 78HR All-In-One 4 Way OTO Test Kit (Blue)

Pentair's All-In-One Test Kit is an easy and accurate way to test your pool water for pH, chlorine, acid demand, and total alkalinity to get a clear picture of your pools health. All-In-One Test Kit comes in a handy plastic case, and contains everything needed to test your water, including measuring cup and detailed instructions. Its liquid formula makes testing simple and painless, along with saving you money by being refillable. This test kit will make pool maintenance easier and more accurate, saving you time as well as ensuring a healthier pool environment.

All-in-One 4 way pH and Chlorine test kit Includes

  • Cl, pH, acid demand, total alkalinity tests
  • Lucite test cell with wide standards
  • No. 1, No. 2, No. 3, 1/2 oz. No. 4, No. 5, Reagents
  • Water test booklet
  • Blue box
  • Includes 1 kit per packMeasures-3/4-inch length by 1-1/4-inch height by 1-4/25-inch width

Replacement Reagents

OTO Solution #1 (Chlorine/Bromine) - R161025


?     Asked on 1/20/2012by Guest

What does this kit test?

A  Answered on 1/20/2012 by InyoPools Product Specialist Patrick P.

Chlorine, pH, Acid Demand and Total Alkalinity

?     Asked on 5/6/2015by James

Do you sell the refill agents for this kit?

A  Answered on 5/7/2015 by InyoPools Product Specialist Brian M.

I am sorry, but we only sell the kit complete. We do not have re-fills available.

?     Asked on 7/15/2015by Jerome

Can I print the instructions on how to use this kit from the internet?

A  Answered on 7/15/2015 by InyoPools Product Specialist Brian M.

Yes you can. If you click on this for the MANUAL, you can get the instructions. Simply click on the " + Manual " in the upper right hand corner and then click on the instructions , it will give you everything that typically comes in the kit itself.

?     Asked on 7/22/2016by Inyo Visitor

Total Alkalinity Step 5 refers to a test booklet. Where can I get a copy of that? thanks!

A  Answered on 7/22/2016 by InyoPools Product Specialist Alan M.

Unfortunately we do not have booklets or reagent refills available for this test kit. You may want try the manufacturer to see if they have what you are looking for or could refer you to someone who does. They can be reached at 1-800-831-7133

?     Asked on 11/7/2016by rsverde@gmail.com

A test I made shows high pH level, but how shall I know the amount of acid to be added to to the pool, like I make a drop of the #3 solution and the pH level becomes normal to the same water sample I previously tested.

A  Answered on 11/7/2016 by InyoPools Product Specialist Alan M.

Hello- Here is a handy chart with recommendations on how much muratic acid to add to your pool based on the pH level and gallons in your pool. WATER CHEMISTRY FOR SWIMMING POOLS.


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