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

Product ID: 253593977

Details

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

🌊Fresh & marine safe

💧100 ml precision dosing

⚙️Biofilter booster tech

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Description

🌟 Transform your tank, skip the stress!

SAFE SUSTAINABLE - BPA-free formula ensuring a healthy environment for your fish
COMPACT EFFICIENT - 100 ml bottle designed for easy, precise dosing
TRUSTED BY THOUSANDS - 4.7-star rating from over 4,800 aquarists worldwide
KICKSTART YOUR AQUARIUMS ECOSYSTEM - Establishes a robust biofilter to prevent New Tank Syndrome
UNIVERSAL FRESH MARINE COMPATIBILITY - Perfectly formulated for both freshwater and marine tanks

Seachem Stability 100 ml is a premium aquarium conditioner that jumpstarts your tank's biofilter, effectively preventing New Tank Syndrome in both freshwater and marine environments. Trusted by thousands with a 4.7-star rating, this BPA-free formula ensures a safe, balanced aquatic ecosystem in a compact, easy-to-use bottle.

Specifications

ASIN	B0002APIJ6
Allergen Information	BPA-Free
Best Sellers Rank	#465 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Water Quality Testing & Treatment
Brand Name	Seachem
Country of Publication	USA
Customer Reviews	4.7 4.7 out of 5 stars (4,876)
Global Trade Identification Number	00000116012508
Item Form	other
Item Type Name	Aquarium Conditioner
Liquid Volume	100 Milliliters
Manufacturer	Seachem
Manufacturer Part Number	075179
Model Number	001062
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	000116012508 000116008211
Unit Count	100 Milliliters

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55.80 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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