Red Sea - Reef Foundation C (Mg) - 1000ml

analysis
Analysis

Colorimetric tests

Measuring devices

Standard solutions

Calibration and cleaning solutions

Laboratory analysis

Analysis / Tests

Colorimetric Tests

Strip Tests

Permanent Tests

Measuring devices

Calibration and cleaning solutions

Test cases

Basin Analysis

Colorimetric Tests

Strip Tests

Measuring devices

Test cases
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
complements
Balling Products

Balling Products

Seawater supplements

Triton Reagents Products

Trace elements

Coral booster

Minerals

Amino acids

Bio carrier

Trace elements

Buffer pH

Fauna Marin Supplements

ATI Labs add-ons

Tropic Marin Supplements

Basic elements

Calcium

Magnesium

Kh

Iodine

Potassium

Iron

Fluorine

Boron

Phosphate

Fresh Water Supplements

Nutritional Supplements

Soil Fertilizer

Tablet Fertilizer

Liquid Fertilizer

AquaScaping Fertilizer

CO2 system

CO2 bottles

Complete CO2 kits

CO2 Accessories

Basin Supplements

Plant fertilizer

Oxygen

Basic elements

pH

Kh

Gh
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Treatment
Water treatment

anti phosphate

Anti silicates

Anti Nitrates

anti ammonia

Anti heavy metals

Biopellets

Filtration ceramics

Charcoal

water clarifier

Water conditioners

Deionization

Demineralization

Zeolite

Live algae for refuge

Bacterial Treatments

Bacteria

Adverse Treatments

Elimination of cyanobacteria and algae

Planaria and worm elimination

Anti Aiptasia

Fish Care

Medications

Vitamins

Water treatment

Anti Phosphates

Anti-Silicates

Anti Nitrates

Aquascaping

pH and KH adjustment

Filtration ceramics

Charcoal

Water clarifiers

Water conditioners

Remineralizing

Bacterial Treatments

bacteria

Adverse Treatments

Anti Algae

Anti-snail

Fish Care

Medications

Vitamins

Water treatment

pH, KH and GH adjustment

Water clarifiers

Anti Algae

Anti Slime

anti phosphate

water conditioner

Bacterial Treatments

Pond Bacteria

Bacteria for the filter

Fish Care

General disinfectant

Worms and Parasites

White Dots

Bacterial Infections

Wounds

Vitamins
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Food
Seawater Food

fish food

coral food

Clam food, sponge

Live Food

Breeding Artemia

Power accessories

Fresh Water Food

Artemia Breeding

Fish food

Feeding accessories

Granulated Fish Food

Food Fish Flakes

Food for invertebrates

Food Basin

All our foods

Koi Carp Food

Sturgeon Foods

Power Accessories
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Substrate/Salt
Sand

living sand

inert sand

Substrate for reactor

Sea Salts

Enriched reef salt

reef salt

Fish-only salt

Liquid Salt

Sands / Quartz / Substrates

Sands and Quartz

Nutrient Substrates

Technical Floors

Remineralizing

Pond Substrate

Substrates

Soils

gravels
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Equipment
Seawater Equipment

Accessories

Aeration

Aquariums

Measuring devices

Heaters

Settling

Decoration / Layout

LED Lighting and Ramp

Skimmers

Surface filter

Roll filter

Fluidized Filters

KH management

Cold / Chiller Group

Management Computer

Reverse osmosis systems

Osmolators

Mixing pumps

Metering pumps

Water pumps

algae reactor

Biopellet Reactor

Limestone Reactors

Hydroxide Reactor

Cooling

Calcium Reactors

Sterilizer and UV Filter

Detached pieces

Library

Freshwater Equipment

Measuring devices

Accessories

Aeration

Aquarium

Heaters

Decoration and layout for freshwater aquariums

Lighting

Filtered

reverse osmosis

Water Pumps

Brewing pumps

Cooling

Sterilizer / UV Filter

CO2 system

Cold / Chiller Group

Detached pieces

Library

Basin Equipment

Aeration

water jet

Water pump

Skimmer

UV Filter / Sterilizer

Library

Lighting

Filters

Mist generator
5€ discount for your first order with the code: BIENVENUE05 (from 100€ purchase, offers cannot be combined)
Plantes
Our Best-Selling Brands
In Vitro Plants

Foams & Floats

Easy plants

Fast growing plant

Lawn plant

Foreground plant

Background plant
See all our brands for aquariums and ponds
Brands

Our Best-Selling Brands

See all our brands for aquariums and ponds
Promotion

Red Sea - Reef Foundation C (Mg) - 500ml

Red Sea - Reef Foundation C (Mg) - 500ml

Red Sea - Reef Foundation C (Mg) - 500ml

Quantity

€26.99

5 loyalty points By purchasing this product
you will receive a voucher of €0.50

Tax included

In stock (3)

Magnesium complex for a balanced formation of the skeleton of corals.

Order it before 15:00 today
and receive it tomorrow with Chronopost - Livraison express à domicile

Description
Product Details

Calcium, Magnesium, Strontium and Carbonates are the basic Fundamental Elements of the coral skeleton.

All of these must be available in balanced proportions for healthy, growing corals.

Concentration:

1ml in 100 liters of water will increase the Mg level by 1ppm

Product Details

Reference R22034

Frequently purchased together
Red Sea - Reef Foundation A (Ca/Sr) - 1000ml

(4 reviews)

€24.99

Complex of Calcium, Strontium and Barium for a balanced formation of the skeleton of corals.

5 en stock
Red Sea - Reef Foundation B (KH) - 1000ml

(3 reviews)

€26.99

Complex of Carbonates and buffers for a balanced formation of the skeleton of corals.

12 en stock
RED SEA - NO3:PO4-X - 1000ml

(11 reviews)

€32.29 €33.99

Reduces nitrates and phosphates. Limits the appearance of harmful algae, allows the control of zooxanthellae for optimal growth and coloration of corals.

-5%

-5%

7 en stock
Red Sea - Reef Energy Plus - 1000ml - Nutrient supplement...

(13 reviews)

€37.04 €38.99

Reef Energy Plus 1000ml will delight your corals by ensuring better growth, better health, more vivid colors while being easier to use on a dosing pump and causing less over-skimming.

-5%

-5%

13 en stock
SALIFERT - Calcium test

(40 reviews)

€10.19 €11.99

This SALIFERT brand analysis kit allows you to accurately measure the calcium level of your seawater. Allows you to take 50 to 100 measurements.

-15%

-15%

13 en stock
SALIFERT - Kh Test

(36 reviews)

€7.27 €7.99

This analysis kit from the SALIFERT brand allows you to measure the Kh of your seawater with precision. Allows you to take 100 to 200 measurements.

-9%

-9%

23 en stock
SALIFERT magnesium test

(30 reviews)

€10.79 €11.99

This SALIFERT brand analysis kit allows you to accurately measure the magnesium level of your seawater. Allows you to take around 50 measurements.

-10%

-10%

21 en stock
Red Sea - Reef Foundation A (Ca/Sr) - 500ml
€16.99

Calcium and Strontium complex for balanced coral skeleton formation.

6 en stock
Products from the same category
AQUAFOREST - Mg plus - 250ml - Magnesium solution

(3 reviews)

€6.12 €6.80

Mg plus 250ml from Aquaforest is a solution that increases the level of magnesium in saltwater aquariums.

-10%

-10%

2 en stock
AQUAFOREST - Magnesium - 750g - Magnesium for marine...

(9 reviews)

€6.29 €6.99

Product used to maintain a stable level of magnesium in reef aquariums.

-10%

-10%

6 en stock
KORALLEN-ZUCHT Magnesium Complex Concentrate 500ml
€20.99

Important element for hard corals and calcareous algae. Recommended in all aquariums.

1 en stock
- ZOANTHUS.fr - Zoa Magnesium - 1 kg - To increase magnesium

(12 reviews)

€10.99

Magnesium Zoanthus is a balanced blend of magnesium chloride and sulfate . It allows to increase the rate of magnesium in reef aquariums in a safe way, while preserving the ionic balance.

36 en stock
FAUNA MARIN - Balling Salz Magnesium Mix 1kg
€12.99 €14.99

Magnesium Mix salt is very pure magnesium chloride for the use of the classic Balling method or the Balling light method of Fauna Marin .

-€2.00

-€2.00

3 en stock
FAUNA MARIN - Elementals MG - 1000ml - Concentrated...

(1 review)

€19.99 €21.99

Ultra Easy MG is a highly concentrated additive for the maintenance of magnesium in marine aquaria.

-€2.00

-€2.00

1 en stock
SEACHEM - Reef Advantage Magnesium 300gr
€10.19 €11.99

Optimized and concentrated blend of magnesium chloride and sulfate salts designed to restore insufficient magnesium levels by causing minimal impact to the ionic balance existing in natural seawater.

-15%

-15%

7 en stock
SEACHEM - Reef Advantage Magnesium 600gr
€16.14 €18.99

Optimized and concentrated blend of magnesium chloride and sulfate salts designed to restore insufficient magnesium levels by causing minimal impact to the ionic balance existing in natural seawater.

-15%

-15%

4 en stock

Show attestation

0

1★

0

2★

0

3★

0

4★

1

5★

10/10

Based on 1 review

THIERRY C.
Published Oct 06, 2025 at 02:39 pm (Order date: Sep 27, 2025)

5

Very well (Translated review)