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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Tropic Marin Kalium/Potassium Test ProTropic Marin Kalium Test Professional Nachfllpack Hochauflsender Wasserstest zur Bestimmung der K+ Konzentration in Meerwasser Kalium (K+) ist ein lebenswichtiger Makro Nhrstoff fr alle Lebewesen. Durch die Verwendung von Zeolithen und anderen Adsorbern kann ein Mangel an Kalium auftreten. Ein Anzeichen dafr ist die deutliche Entfrbung der Korallen und das Einziehen der Polypen. Der Titrationstest bestimmt die Kaliumkonzentration zuverlssig mit einer
Tropic Marin® Kalium-Test Professional NachfüllpackHochauflösender Wasserstest zur Bestimmung
der K+-Konzentration in Meerwasser
Kalium (K+) ist ein lebenswichtiger Makro-
Nährstoff für alle Lebewesen. Durch die
Verwendung von Zeolithen und anderen
Adsorbern kann ein Mangel an Kalium
auftreten. Ein Anzeichen dafür ist die
deutliche Entfärbung der Korallen und das
Einziehen der Polypen. Der Titrationstest
bestimmt die Kaliumkonzentration
zuverlässig mit einer Genauigkeit von 5 mg/l.
Die Methode ermöglicht gleichzeitig eine
Überprüfung des Tests auf Funktion und Halt-
barkeit. Ausreichend für ca. 50 Anwendungen.
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
4.3 ★★★★★
Based on 1757 reviews
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Product Reviews
★★★★★ 3
Silicone socks
Size: M (up to size 9)-Beige
The socks are sized large. The quality of the silicone is good. But they slide around on your feet if you try to walk, making them difficult to use and a bit uncomfortable. Unless you are able to sit for long periods of time the likely will not work well. Recommend looking for a better value.
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Reviewed in the United States on October 27, 2024
★★★★★ 5
Effective
Size: L (up to size 11)-Pink
Fantastic. I put lotion on my feet & wear them when I go to sleep. I often wake up during the night and will remove them to find my feet soft and smooth. They are strong and fit my size 10 womens’ size.
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Reviewed in the United States on March 27, 2026
★★★★★ 1
The shoe size should be smaller 9 is the max and it is still to tight
Size: M (up to size 9)-Beige, Size: M (up to size 9)-Beige
Very tight had to take off my feet in the middle of the night they were cutting off my circulation.
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Great product to keep moisture in
Size: M (up to size 9)-Beige
These are so cool. I was skeptical at first. After an at home pedicure I put lotion on and keep these on for about a few hours. The moisture retention, and comfort and fit or absolutely amazing!
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Reviewed in the United States on April 24, 2025
★★★★★ 5
These work!
Size: M (up to size 9)-Beige
I’ve had dry cracked feet my whole life. Tried these last night with lotion from Trader Joe’s and literally overnight my feet are the softest they’ve ever been. I put a pair of socks over them and went to sleep with them on. Hard to walk around with all that slippery-ness but worth it! 10/10✨👌
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Reviewed in the United States on June 11, 2025