can i use with all clear test? i was adding 5 drops and comparing on strip. sounds like i can't.

Should work the same. If you used five drops before, you should receive similar results. Normal ranger is 7.4 to 7.6.

does this replace small bottles of pleonol red where you just put 3 drops in test kit or is it to be used in special test kits where U need 2 mix

This is a large bottle of the same thing, you can use it to refill your little dropper bottle. As long as you are using the Pentair Rainbow brand already. The Pentair Rainbow brand OTO is the clear of this test. You cannot mix brands the test will not be accurate.

What is the concentration of Phenol Red in this solution?

I did not see anything on the bottle that would answer your question. I found it to be less concentrated than the standard Phenol Red that comes with test kits. It does have a Chlorine stabilizer in it. I found through the trial and error method, that in using the same test vial for chlorine and putting in 7 drops as opposed to the recommended 5, the reading was the same as the reading using 5 drops in the larger PH vial in the test kit with the solution I saved from the kit so I could make the comparisons. It took a few trials, but the money saved was worth it because you get the neutralizer already in the solution so you need not buy that separately. It does not come with a eyedropper so you will need to get one or (not recommended) pour some into the vial that came with your test kit. Hope this helps.

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Pentair R161126 pH Solution Phenol Red with Chlorine Neutralizer, 16-Ounce

Product ID: 3820073

Details

Brand
Pentair
Global Trade Identification Number
Item Form
Liquid
Product Benefits
Maintains pool
UPC
788379003258

🧪16 oz precision liquid formula

⚖️Balances pool pH for optimal water quality

🛡️Neutralizes chlorine for safer swim

578 Lei

Duties & taxes included

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay balanced, swim safer — the smart pool pro’s secret weapon!

EASY INTEGRATION - Perfectly sized for hassle-free use in pools and spas, fitting seamlessly into your maintenance routine.
DUAL ACTION FORMULA - Combines phenol red with chlorine neutralizer to maintain crystal-clear, safe water.
TRUSTED BRAND RELIABILITY - Pentair’s proven quality ensures consistent performance and peace of mind.
PRECISION 16 OUNCE SOLUTION - Compact yet powerful bottle designed for accurate pH testing and adjustment.
OPTIMIZE YOUR SWIM EXPERIENCE - Keep your pool’s pH balanced and chlorine neutralized to enjoy cleaner, healthier water every time.

Pentair R161126 is a 16-ounce liquid pH solution featuring phenol red combined with a chlorine neutralizer. Designed to maintain optimal pH balance and neutralize chlorine, it ensures cleaner, safer water for pools and spas. Compact and easy to use, this trusted formula supports professional-grade pool maintenance.

Specifications

ASIN	B008HYNX2S
Best Sellers Rank	#578,358 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,103 in Swimming Pool Chlorine
Brand Name	Pentair
Customer Reviews	4.0 4.0 out of 5 stars (29)
Global Trade Identification Number	00788379003258
Item Form	Liquid
Manufacturer	Pentair
Manufacturer Part Number	R161126
Model Number	R161126
Number of Items	1
Product Benefits	Maintains pool and spa pH balance for cleaner, safer water
UPC	788379003258
Unit Count	16.0 Fluid Ounces

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