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- USA
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
JBL Nitrite Test NO2Simple and reliable monitoring of the aquarium pond water values. Checks the biological balance (bacterial activity) in freshwater and marine water Laboratory comparator system to compensate any inherent water colouring: fill glass vials with sample water, add reagents to another vial, place vials in holder, read values on colour chart When to use: when setting up a new freshwater aquarium: daily for 3 weeks. Initial setup with marine water: once a
- Simple and reliable monitoring of the aquarium/pond water values. Checks the biological balance (bacterial activity) in freshwater and marine water
- Laboratory comparator system to compensate any inherent water colouring: fill glass vials with sample water, add reagents to another vial, place vials in holder, read values on colour chart
- When to use: when setting up a new freshwater aquarium: daily for 3 weeks. Initial setup with marine water: once a week. For use in case of fish diseases or fish deaths.
- Online Laboratory: free analysis and recommendations for the water values you have measured
- Package contents: 1 quick test, Nitrite Test NO2. Contents for approx. 50 measurements. Incl. 2 reagents, 2 glass vials with screw cap, syringe, comparator block and colour scale. Refill ingredients available separately
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 2327 reviews
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Product Reviews
★★★★★ 3
Not well made
I have used these for 2 weeks now and one of them has a hole in the sole...
I won't ever buy them again
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Reviewed in the United States on July 15, 2025
★★★★★ 5
Very thin and comfortable. Wash well.
Very thin sock if that is what you are looking for. They stay up and wash well. There is a toe seam but you can position it out of the way
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Reviewed in the United States on July 10, 2025
★★★★★ 5
Great quality!
Comfortable and stylish socks for a great price!
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Reviewed in the United States on May 9, 2025
★★★★★ 5
So comfy and just the right size
These are the cutest most versatile socks. The weave is just right, not too thick or thin. They don't fall or shift down your heel while walking in shoes. They launder exceptionally well. The height on the ankle is perfect for jeans, business casual pants or a quick change into gym clothes. I need more.
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Reviewed in the United States on June 3, 2025
★★★★★ 5
Cute and comfortable
This six-pack of ankle socks is a great value. All of the colors are useful to me and go well with a variety of clothes. The ruffle around the top and the nice detailed knit pattern make them very cute! The fabric is stretchy and comfortable. Mostly cotton, they did seem to shrink a little bit in the wash (I machine-washed in cold water and tumbled dry on low) but they are stretchy enough that they still fit my size 8 feet just fine. See photo, brown are new, blue have gone through the wash.
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Reviewed in the United States on March 7, 2025