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Description
Aqua Master Tools E50 Pro EC Temperature ElectrodeDescription Aqua Master E50 Pro pH Temp Electrode Directions Directions: Properly unscrew the sealing ring in the lower part of the meter. Remove the defected old electrode by gently pulling it. Carefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode. Check that the rubber seal is properly placed. Tightly tighten the sealing ring. Calibrate the meter as
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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4.8 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
MUST HAVE for me!!
LOVE LOVE!!
These are most perfect for make up removal and I use them to apply toner as well. Soft and cushiony. I have tried other styles and they don't compare. There are durable, don't shred when you use them like traditional cotton balls They don't "pill" on your face when using them.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Best Cotton "Pillows" I've Ever Used
How much do I love these soft, thick, and durable cotton pads? I got tired of running out (I use them every day) so I ordered a carton with packages of 100! So simple to use...there's a tiny "pocket" on one side you can put your fingertip in for accuracy, if you choose! They soak up enough nail polish remover to do the job, but are so strong they don't shred like a cotton ball would.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
The best gentle pad
I use these constantly to clean my Chinchilla Persian Cats nose which is always leaking. These pads are gentle on his nose and don't shed which I luv. There"s a little slit on one side to use if you want to slip your finger into to hold. These pads are soft on both sides. I dampen them before using. The shape to me is better than the round pads and also the edges are not rough like many round pads are.
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Reviewed in the United States on January 30, 2026
★★★★★ 5
soft and cottony.
Soft, cottony, do not dissolve immediately.
I use these to soak my eyes with warm water and they hold well for the 4-5 times of soaking and putting on the eyelids ordered by my ophtamologist. They won't hold for more that 4-5 soaks though.
They are also excellent for eye make-up removal.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Love these Cotton Pillows
These are the best cotton pillows money can buy!
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Reviewed in the United States on April 29, 2026