can i use it in the tank? like substrate? i was going to sorround my lucky bamboo with them...??? just got my order, i will put some in the canisters.

You can, but they were designed for use in a filter so that they can maximize the amount of bacteria in the tank.

Can i use this in 2 fx6’s, and if yes, how many trays can i fill up? i’m aiming on filling up 2 trays for both of my fx6s.

That will probably work if you are using the red trays for other media. If you are pulling the red trays out and completely filling the trays, you may need 2 canisters.

Do pores get blocked after sometime? If so, can you clean? How durable are these?

Yes the pores can become clogged. Avoid serious clogging by putting your fine mechanical filtration before the Matrix and replace the mechanical filtration before it gets saturated with gunk. I clean the Matrix periodically by pouring it into a colander and agitating it under running water. That keeps the pores open and clean. If the Matrix really gets very dirty, I would replace it. Otherwise it's good indefinitely.

I'm using this product since 15 days , 2 liter for my 130g but dosen't help reducing nitrate how many days ,weeks need to build the useful bacteria ?

It takes months for the bacteria you need to grow for removing the nitrate. Also depends on how stocked your tank is. You will need 2.2 pounds of matrix per 26 gallons of water to see any difference in nitrate levels

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Seachem Matrix and Stability Aquarium Bio Media

Seachem Matrix and Stability Aquarium Bio Media

Product ID: 536980188

Details

Brand
Seachem
Item Form
Combination
Liquid Volume
250
Manufacturer
Seachem

⚡Rapid biofilter establishment

🌊Treats up to 25 gallons per 250 mL

🧬170 sq ft bio surface area

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Description

🧪 Transform your tank into a thriving aquatic ecosystem—fast, natural, flawless.

EASY DOSAGE BIG IMPACT - Simple dosing regimen ensures rapid, reliable biofilter establishment and ongoing water quality.
MAXIMIZE AQUARIUM HEALTH - Over 170 sq ft of porous surface for superior ammonia, nitrite, and nitrate filtration.
NATURAL SAFE BIO MEDIA - Chemically inert, naturally mined matrix supports robust biological filtration without altering pH.
FAST TRACK YOUR TANK SETUP - Stability’s powerful bacterial blend prevents new tank syndrome within days.
VERSATILE FOR FRESH MARINE - Effective in both freshwater and marine environments for all aquarium types.

Seachem Matrix and Stability combine cutting-edge bio media with a proprietary bacterial blend to deliver over 170 sq ft of filtration surface and rapid biofilter establishment. Designed for freshwater and marine tanks, this duo prevents new tank syndrome and controls toxic ammonia, nitrite, and nitrate levels, ensuring a healthy, vibrant aquarium from day one.

Specifications

ASIN	B0C81BC1V1
ASIN	B0C81BC1V1
Best Sellers Rank	#358,479 in Pet Supplies ( See Top 100 in Pet Supplies ) #2,262 in Aquarium Water Treatments
Brand Name	Seachem
Customer Reviews	4.4 4.4 out of 5 stars (2)
Date First Available	June 14, 2023
Item Form	Combination (Powder, Liquid)
Liquid Volume	250 Milliliters
Manufacturer	Seachem
Manufacturer	Seachem
Target Species	Fish

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$169.99

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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TrustScore 4.5 | 7,300+ reviews

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

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