How often do I add this to the tank to get it cycled? Is it an everyday thing, or once a week?

Every day, per the instructions.

Instructions say "turn off uv/ozone" before adding. i have fluorescent lighting in a freshwater tank. should i turn off the fluorescents?

The reason to shut off the UV is because the product contains specific bacteria. In our tanks, we do not shut off the fluorescent lights, only the UVHere is a link to their website http://www.seachem.com/Products/product_pages/Stability.htmlNan

Will having this shipped to a currently cold/freezing location destroy the beneficial bacteria?

It should not, the bacteria is in a dormant state wont wont really be living till you put it in your tank.

How much would I need to cycle two 5 gal tanks?

As much as you can afford. I add it periodically can my tank and been cycled for a couple months. Like with large water changes or introducing new fish.

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Seachem Stability 100 ml, Establishes Biofilter & Prevents New Tank Syndrome In Freshwater And Marine Aquarium, White, 125, Stability 100ml

Seachem Stability 100 ml, Establishes Biofilter & Prevents New Tank Syndrome In Freshwater And Marine Aquarium, White, 125, Stability 100ml

Product ID: 253593977

Details

Brand
Seachem
Item form
other
Liquid volume
100
Number of Packs
1
Unit count
100

🌊Prevents New Tank Syndrome

🧪100 ml precision dosing

⚙️Establishes biofilter fast

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518248₫

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Description

🌟 Transform your tank into a thriving aquatic paradise!

COMPACT BPA FREE PACKAGING - Safe, eco-conscious 100 ml bottle fits anywhere in your tank care kit.
SCIENTIFICALLY PROVEN FORMULA - Trusted by thousands with a 4.7-star rating for consistent water quality.
DUAL USE FOR FRESH MARINE TANKS - Versatile formula perfect for both freshwater and saltwater setups.
JUMPSTART YOUR AQUARIUMS ECOSYSTEM - Kickstart a thriving biofilter for crystal-clear water and happy fish.
AVOID THE NEW TANK SYNDROME NIGHTMARE - Protect your aquatic friends from early-stage tank stress and mortality.

Seachem Stability 100 ml is a scientifically formulated aquarium conditioner that rapidly establishes a biofilter, preventing New Tank Syndrome in both freshwater and marine tanks. Trusted by over 4,700 users with a 4.7-star rating, it comes in a compact, BPA-free 100 ml bottle designed for precise dosing and safe handling.

Specifications

ASIN	B0002APIJ6
Allergen Information	BPA-Free
Best Sellers Rank	#486 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Water Quality Testing & Treatment
Brand	Seachem
Brand Name	Seachem
Customer Reviews	4.7 out of 5 stars 4,767 Reviews
Global Trade Identification Number	00000116012508
Item Form	other
Item Type Name	Aquarium Conditioner
Item form	other
Liquid Volume	100 Milliliters
Liquid volume	100 Milliliters
Manufacturer	Seachem
Manufacturer Part Number	075179
Model Number	001062
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	000116012508 000116008211
Unit Count	100 Milliliters
Unit count	100 Milliliters

Reviews

R**R

Good

Good any one can buy if they don't want their fish to die

14.01.2026

E**.

Highly recommended

Been using this for my aquarium

10.06.2025

M**M

Working good

29.07.2024

V**N

Super

Super product

23.05.2024

L**A

Good

1.12.2025

M**D

Aquarium mandatory product

Perfect solution to release amonia and safe fishes and stable the aquarium balance

22.01.2022

M**N

Perfect..... Delivery on time.

Perfect ....Delivery on time.

30.11.2019

G**W

good

as advertised

31.01.2020

Ü**N

etkili!!!

gerçekten 1 hafta kullandım. akvaryum suyunu temizledi. neredeyse akvaryumu bozacaktım. pis bulanık su yüzünden. şu an bu vd metalin mavisi kullanarak su temizliğini sağladım.

27.11.2025

D**O

Producto muy bueno

El producto es muy bueno y ha llegado en óptimo estado, lo que si puedo recomendar es comprar el grande de 500ml ya que el envío lo cobran a parte y tiene el mismo costo que uno de 100ml, así que si lo van a necesitar otra vez se evitan ese gasto de envío pagándolo 1 vez.

28.07.2022

P**L

Bacteria para filtros

Estupendo producto para que la bacteria benéfica de nuestros filtros prospere y se complete el ciclo del nitrógeno

8.12.2025

�**O

ممتاز

2.03.2026

D**N

Perfect om externe filter op te starten

Ik adviseer een Dark Start van minimum 4 weken, en bij nieuwe filtermedia zeker Seachem Stability te gebruiken!

9.02.2024

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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518248₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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