Name: GROTECH - Magnesium Pro Liquid - 1000ml - Magnesium for saltwater aquarium
Brand: Grotech
SKU: GT-00067
Price: 16.99 EUR
Availability: InStock
Rating: 5 (6 reviews)

GROTECH - Magnesium Pro Liquid - 1000ml - Magnesium for saltwater aquarium

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€16.99

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In stock (1)

Magnesium Pro Liquid 1000ml is a liquid solution for a rapid increase in Magnesium concentration in the marine aquarium.

Order it before 15:00 Monday
and receive it on Tuesday, February 17, 2026 with Chronopost - Livraison express à domicile

Description
Product Details

For a rapid increase in Magnesium levels in the event of a deficiency, we recommend Magnesium pro liquid.

This allows a rapid and safe increase in Magnesium levels. 1 Liter of Magnesium pro liquid contains 50,000 mg of Magnesium = 1 ml of Magnesium pro liquid contains 50 mg of Magnesium

Here is an example for the calculation of Magnesium Pro Liquid:
First you need to measure the actual value of magnesium in the aquarium.

You have 1200mg/l magnesium in the aquarium and you want to increase to 1300mg/l.
You have a 500 liter aquarium. The mg value of magnesium pro liquid is 50,000 mg/litre.

The desired magnesium value - the actual value = deficit in mg/litre
1300 mg/l - 1200 mg/l = 100 mg/ liter

Deficiency in mg/litre x aquarium content in liters = magnesium deficit
100 mg/ liter x 500 liters = 50,000 mg

Magnesium deficiency: Magnesium Pro Liquid 50,000 mg/ liter = the necessary supplement in liters
50,000 mg: 50,000 mg/l = 1 liter

Product Details

Reference GT-00067

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Show attestation

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5★

10/10

Based on 2 reviews

THIERRY S.
Published Dec 07, 2025 at 05:03 pm (Order date: Dec 02, 2025)

5

- (Translated review)
Alain T.
Published Dec 08, 2024 at 09:48 am (Order date: Dec 01, 2024)

5

Good product (Translated review)

GROTECH - Magnesium Pro Liquid - 1000ml - Magnesium for saltwater aquarium

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Product Details

Frequently purchased together

Products from the same category

FAUNA MARIN Balling Salt Magnesium Mix 1kg – Pure magnesium for vibrant corals