Live Help Chat

Tropic Marin

Tropic Marin BIO-MAGNESIUM, 16 oz.

$17.72
No reviews yet Write a Review

SKU:
AD-TM-400
Product Code:
1191
  • Free Ground Shipping

  • Easy Returns

  • Safe Payments

  • Amazing Selection

Tropic Marin BIO-MAGNESIUM, 16 oz.

Tropic Marin Bio-Magnesium is biologically ideal Magnesium Supplement for Reef Aquariums. 

A sufficient supply of magnesium is as essential for the growth and well being of reef building coralline algae as calcium. It is one of the major constituents of seawater and is directly involved in algae photosynthesis, i.e. the conversion of carbon dioxide (CO2) and light into organic compounds. The addition of plain magnesium salt, however, is not sufficient and interferes with the ionic balance of the tank water. 
Tropic Marin Bio-Magnesium creates a natural environment in the aquarium and delivers Magnesium in a natural biologically available ionically balanced form. 

Tropic Marin BIO-MAGNESIUM, 16 oz.

Tropic Marin Bio-Magnesium is biologically ideal Magnesium Supplement for Reef Aquariums.

A sufficient supply of magnesium is as essential for the growth and well being of reef building coralline algae as calcium. It is one of the major constituents of seawater and is directly involved in algae photosynthesis, i.e. the conversion of carbon dioxide (CO2) and light into organic compounds. The addition of plain magnesium salt, however, is not sufficient and interferes with the ionic balance of the tank water.
Tropic Marin Bio-Magnesium creates a natural environment in the aquarium and delivers Magnesium in a natural biologically available ionically balanced form.

How to use Bio-Magnesium:

One level measuring spoon increases the magnesium level of 30 gallons (US)/ 25 gallons (Imp.)/110 l of tank water by about 5 ppm. The natural concentration of Magnesium is 1280-1300 ppm. In a reef aquarium the concentration of magnesium decreases quickly through biological process, precipitation and through use by calcareous animals. The recommended maximum dose is 4 measuring spoons per 30 gallons (US)/ 25 gallons (Imp.)/110 l of aquarium water per day!

Check the aquarium waters specific gravity on a regular basis as this may gradually increase over time with the addition of Tropic Marin© Bio-Magnesium. This is easily counteracted with regular water changes. An excessively high magnesium concentration may have a negative effect on certain organisms. For this reason it is not recommended to exceed magnesium concentrations over 1600 ppm.

Proper magnesium and calcium concentrations are important to a healthy reef environment. Monitor these concentrations in your reef aquarium with the Tropic Marin Magnesium-Calcium-Combitest and correct deficiencies with Tropic Marin Bio-Calcium and Tropic Marin Bio-Magnesium.

Key Benefits:

- Contains a combination of magnesium and minerals to promote essential biochemical processes in the aquarium.
- Magnesium for accelerated skeleton growth of corals and calcareous coralline algae.
- Maintains the natural ionic concentration and the pH value of the reef tank water!
- No unnatural by-products. No phosphates or nitrates.
- Measured amount of Magnesium in a truly ionically balanced formula.

Product code: 1191
Item No. AD-TM-400

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

  • 5
    34K+ (85%)
  • 4
    5172 (13%)
  • 3
    1012 (2%)
  • 2
    96 (0%)
  • 1
    88 (0%)
97% of customers rate this company 4- or 5-stars
Newest to Oldest
  • Highest to Lowest
  • Newest to Oldest
  • Favorite Reviews
All Ratings
  • All Ratings
  • 5 ★ Reviews
  • 4 ★ Reviews
  • 3 ★ Reviews
  • 2 ★ Reviews
  • 1 ★ Reviews
Mark A. Verified Customer   
05-11-25

Easy to navigate.

Recommend this Company
5 / 5
Would Buy Again
5 / 5
John S. Verified Customer   
05-11-25

Quick and easy

Recommend this Company
5 / 5
Would Buy Again
5 / 5
Eduardo A. Verified Customer   
05-10-25

When I click on skimmers, or filters, from the drop down menu it next asks me for a brand instead of showing me all of them. I'm not going to sit here and click everything back and forth on every brand in an attempt to compare prices.

Recommend this Company
5 / 5
Would Buy Again
5 / 5
Questions & Answers
avatar
Popular Questions

No questions have been asked yet, ask your question above.

Shopper Approved Q&A Shopper Approved Q&A Answerbase
view
🔥 SPRING SALE! 🔥