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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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	#1,146 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 (4,769)
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
Pet Type	Fish
Target Species	Fish
UPC	000116012508 000116008211
Unit Count	100 Milliliters

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