are they copper free?

yes. no copper. api has a phone number you can call for more info. i have found them very helpful when i had questions.

My tank is 30 gl I need use how many tablets?

The instructions say you should use 1 tablet for every 30 square inches of gravel surface area. Most 29 gallons are 30" x 12", which is a total of 360 square inches. Divide that by the recommended 30 square inches per tablet and you will need to use 12 tablets for the aquarium, once per month. Of course, that's providing your aquarium is 30" x 12".

i have a 20 gallon tank, can i use theese with the liquid c02 booster and leaf zone or flourish excel?? or will i be adding to much.

I use them with leaf zone and flourish Excel... no problem so far...I do not treat the whole tank with this tabs... I only add them to specific plants that need more nutrients such as my aponogetons ( bulbs)

I need use how many tablets for 30 gl?

I put all 10 inside a 60 gal. I guess just put 5 for the 30 gal.

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API Root TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box,Tablets

API Root TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box,Tablets

Product ID: 80259218

Details

Brand
API
Global Trade Identification Number
Item Form
Tablets
Item Weight
13 Grams
Specific Uses For Product
Plant Growth

🌱Strong root growth booster

📅Monthly easy application

🔋Slow-release essential nutrients

₨680

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Description

🌿 Unlock the secret to aquarium envy with every root tab!

TRUSTED LEGACY - Backed by 50+ years of API’s research-driven aquarium care expertise.
ROOT POWERHOUSE - Promotes vigorous root development for lush, thriving aquatic plants.
FISH SAFE RELIABLE - Formulated to be safe for tropical fish, ensuring a balanced ecosystem.
NUTRIENT RICH FORMULA - Packed with iron, potassium, and carbon to fuel vibrant plant growth.
EFFORTLESS MAINTENANCE - Just add tablets to your gravel bed once a month for continuous nourishment.

API ROOT TABS Freshwater Aquarium Plant Fertilizer delivers essential nutrients like iron, potassium, and carbon in slow-release tablets designed to promote strong root growth and vibrant aquatic plants. Safe for tropical fish and easy to use with monthly dosing, these tablets help both new and established plants flourish, backed by over 50 years of trusted API innovation.

Specifications

ASIN	B003OYMOWQ
Best Sellers Rank	#56,075 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #2,017 in Multi-Purpose Fertilizers
Brand Name	API
Country of Origin	USA
Coverage	Full
Customer Reviews	4.5 4.5 out of 5 stars (6,307)
Global Trade Identification Number	00317163035771
Included Components	API ROOT TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box
Item Form	Tablets
Item Type Name	Aquarium Plant Fertilizer
Item Weight	13 Grams
Manufacturer	Aquarium Pharmaceuticals
Mixing Ratio	1:30
Model Number	577C
Number of Items	72
Number of Packs	1
Part Number	577C
Specific Uses For Product	Plant Growth,Aquarium,Root Development
Target Species	Aquatic Plants
UPC	317163035771
Unit Count	2 Count

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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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₨680

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

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TrustScore 4.5 | 7,300+ reviews

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