what tank size does this fit? I have a 40 inch length on 15 inch width. would this be enough?

40 inch length, 15 inch width, is 600 sq inches. if youre using this soil, youre probably doing a planted tank, so youll probably want at least 2" of substrate. so were at 1200 cubic inches. 1200 cubic inches is 19.66 liters. You would need 2.18 of these bags for 2" depth

Can I add it to an up and running aquarium?

Not recommend. There will be too much suspended nutrients in the water column.

Since this in the beginning causes high ammonia levels should I wait until it has a normal reading to plant plants?

You can plant it right away and do extensive water change for the fist 2 weeks, or wait till 2~3 weeks later then plant the plants when the ammonia has drop down.

Can this be using for the Walstad method?

Yes, it could. Just be aware of how it effects the water parameters.

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ADA Aqua Soil Amazonia Ver 2 (9L)

Product ID: 184002108

Details

Brand
ADA
Global Trade Identification Number
Item Weight
7 Kilograms
Style
Japanese
Unit Count
246.92 Ounce

🌱9L nutrient-rich substrate

🧪natural pH & hardness buffer

⚖️ideal granule size & density

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฿9761

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Description

🌿 Elevate your aquarium game with nature’s black gold!

NATURAL WATER CONDITIONING - Buffers pH and hardness naturally, creating the perfect slightly acidic environment for tropical plants and fish.
OPTIMIZED ROOT DEVELOPMENT - Granules sized and shaped to accelerate healthy root systems, ensuring lush, thriving aquascapes.
PREMIUM JAPANESE BLACK SOIL - Harness rare, plant-based black soil for vibrant aquatic plant growth and stunning color contrast.
BEGINNER FRIENDLY AQUASCAPING - Effortless setup for pros and newcomers alike to craft crystal-clear, museum-quality planted tanks.
ADVANCED DESERTCART SUPPLEMENT - Includes a separate concentrate to enrich substrate organically without clouding water or triggering algae.

ADA Aqua Soil Amazonia Ver 2 is a 9L premium Japanese black soil substrate designed for planted aquariums. It features optimally sized granules that promote rapid root growth and naturally buffer water pH and hardness to ideal levels. Included is a separate Desertcart concentrate supplement that enriches the substrate with organic nutrients while minimizing algae and turbidity. Perfect for both beginners and experienced aquarists, it enhances plant vibrancy and supports a healthy aquatic ecosystem.

Specifications

ASIN	B0842RR9PD
Best Sellers Rank	#74,783 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #533 in Garden Soil
Brand Name	ADA
Customer Reviews	4.7 4.7 out of 5 stars (290)
Global Trade Identification Number	04537934040605
Item Weight	7 Kilograms
Manufacturer	ADA JAPAN
Manufacturer Part Number	Amazonia Ver 2
Model Number	Amazonia Ver 2
Style Name	Japanese
Unit Count	246.92 Ounce
Volume	9 Liters

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

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

2 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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฿9761

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered 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 Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

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

2 weeks ago

View all Trustpilot reviews