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

API ROOT TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box

Product ID: 6666690

Details

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

⏳Slow-release monthly dosing

🌱Strong root growth booster

🧪Essential iron, potassium & carbon blend

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Description

🌿 Elevate your aquarium’s green game—because your plants deserve the VIP treatment!

PROVEN RESULTS FAST - Visible plant transformation in just one week—don’t let your tank fall behind.
ROOT POWER UNLEASHED - Promotes vigorous root development for lush, thriving freshwater plants.
NUTRIENT RICH FORMULA - Packed with iron, potassium, and carbon to fuel vibrant aquatic growth.
EFFORTLESS MONTHLY CARE - Just one tablet per 30 sq. inches keeps your plants flourishing with minimal effort.
FISH SAFE ECO FRIENDLY - Formulated to be safe for tropical fish, ensuring a balanced aquarium ecosystem.

API ROOT TABS Freshwater Aquarium Plant Fertilizer delivers essential nutrients like iron, potassium, and carbon directly to plant roots via slow-release tablets. Designed for monthly use, these tablets promote strong root development and vibrant growth in freshwater aquariums while being safe for tropical fish. Trusted by aquarists for over 50 years, API ROOT TABS transform struggling plants into lush underwater landscapes with minimal maintenance.

Specifications

ASIN	B003OYMOWQ
Best Sellers Rank	#3,501 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #143 in Garden Fertilizers
Brand Name	API
Coverage	Full
Customer Reviews	4.4 4.4 out of 5 stars (6,450)
Global Trade Identification Number	00317163035771
Item Form	Tablets
Item Type Name	Aquarium Plant Fertilizer
Item Weight	13 g
Manufacturer	Mars Fishcare
Mixing Ratio	1:30
Model Number	577C
Number of Items	72
Number of Packs	1
Part Number	577C
Specific Uses For Product	Aquarium,Plant Growth,Root Development
Target Species	Aquarium Plants
UPC	317163035771
Unit Count	10 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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€ 26.51

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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