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Your cart is empty.Seachem Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". For over three decades, Seachem has been a company rooted in sound science. Our experience in the hobby and an educated staff of chemists and biologists are part of the package when you purchase Seachem products. Seachem remains as one of the few surviving independent and privately owned pet care companies. Seachem is owned and operated by hobbyists. All of our employees are hobbyists who maintain aquariums at home and at the office. Seachem itself was started because one such passionate hobbyist - Dr. Leo G. Morin (Founder) - recognized the lack of available solutions to aquarists'.. This resulted in Seachem’s very first product: Cupraplex (today known as Cupramine). Over thirty years later Seachem is still approaching old problems in a new way. Seachem’s philosophy is that the knowledgeable hobbyist makes the best customer. This is reflected in solid and reliable customer education and support as well as products proven in science and performance. While Seachem has grown rapidly into a national and international firm, it retains the culture of a small company and is readily available to its customers.
Momma Hen
Reviewed in the United States on May 29, 2025
The product is advertised as something that will help to quickly cycle a tank, but l had persistent nitrites. It’s better than no product, but Fritzyme worked more quickly for me.
robertohara
Reviewed in Brazil on May 19, 2025
excelente
Avais01
Reviewed in the United Kingdom on May 12, 2025
Good quality product
Lisa L. Swain
Reviewed in the United States on January 3, 2025
This product is amazing. It cycled my aquarium much faster. My water was cloudy for a few days, but using Seachem Stability and Prime gave me a crystal clear tank in less then a week. I would highly recommend for use in your aquarium. Follow the directions on the bottle for amazing results. Helps to establish the bio filter with good bacteria.
Jeremy Case
Reviewed in the United States on January 14, 2025
This was so useful and saved our fish when he was sick.
Luis O.
Reviewed in Mexico on April 1, 2025
Buenos
testaniere
Reviewed in France on August 28, 2024
produit parfait comme d'habitude, livré en temps et en heure super.
𝚁𝚘𝚜𝚜𝚒𝚎 𝚡𝚡
Reviewed in the United States on August 20, 2024
Good size for what I need, not heavy at all. Drops clear colored, keeps stability when water changing.Good for value and with for fun little creatures. Their health is important.
Joe M
Reviewed in the United States on June 13, 2024
Brought down nitrites and nitrates in 2 days. Containes aerobic and anaerobic beneficial bacteria.
Encarni Puga
Reviewed in Spain on April 26, 2024
Yo lo uso en mi acuario y va genial.
nesreen45
Reviewed in the United States on June 10, 2022
Very good
Rachel
Reviewed in the United States on April 5, 2019
Had a small mini cycle due to fish death and large water change needed, very cloudy water. Using this got the water much clearer in just one day.
Jessica
Reviewed in the United States on May 5, 2016
OMG it works! Using a liquid test kit, I checked my ammonia, nitrites, and nitrates daily...Ammonia results with just barely a hint of green for the first week, but never reached 0.25. Tests showed zero ammonia after the first week.Nitrites never read anything but zeroNitrates reached a readable level of 5.0 at six daysFor all intents and purposes this provided a nearly instantaneous cycle!
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