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Pentair OTO Replacement Solution, 1 oz | R161025

Rainbow SKU: R161025
Pentair OTO Replacement Solution, 1 oz | R161025 - Rainbow - img - 1

Pentair OTO Replacement Solution, 1 oz | R161025

Rainbow SKU: R161025
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$8.00 Regular price $8.00
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Questions about returns? View our return policy.
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Pentair OTO Replacement Solution, 1 oz | R161025

The Pentair R161025 OTO Replacement Solution is a 1 oz bottle of Orthotolidine (OTO) reagent used for testing free and total chlorine or bromine levels in pool and spa water. This essential test solution helps ensure your water is properly sanitized and safe for swimmers.

Key Features

  • Reliable Water Testing: Accurately tests chlorine and bromine levels using standard test kits.
  • Easy to Use: Designed for quick drop-count testing with straightforward instructions.
  • Compatible: Works with most Pentair and standard test kits using OTO testing method.
  • Safe Storage: Comes in a sealed 1 oz bottle with precision dropper tip for controlled use.

Technical Specifications

  • Part Number: R161025
  • Volume: 1 oz (30 mL)
  • Test Type: Chlorine/Bromine (OTO method)
  • Application: Pools and spas
  • Compatibility: Pentair and most drop-type test kits

Maintain safe, crystal-clear water in your pool or spa with the Pentair OTO Replacement Solution. Perfect for replacing your used or expired test reagent, this 1 oz bottle provides accurate testing for ongoing water care and peace of mind.

SKU: R161025

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return, please complete an RMA form prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Please complete the return form to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.