Technical Background
Magnesium plays a vital role in reef aquaria: it helps maintain
calcium and carbonate (composing the majority of measurable
alkalinity) concentrations by limiting unwanted inorganic
precipitation with each other. In the absence of adequate
magnesium ions, calcium and carbonate ions bond rapidly,
depleting their concentrations in the system and creating the
false impression that heavier supplementation is required to
re-establish the desired concentrations. No matter how much
calcium is added, its natural seawater concentration of 412 ppm
will never be sustained until the magnesium concentration begins
to approach 1,290 ppm. Once the balance between calcium and
magnesium has been established, subsequent calcium
supplementation yields immediate positive results. Keeping
magnesium within a range of 1,290-1,320 ppm will maintain the
desired balance, and provides enough of the element to
reef-building organisms for the formation of aragonite (~0.10%
Mg by weight).Instructions and Guidelines
Basic: Dissolve 2.5 grams (~½ teaspoon) of product per 20
US-gallons of aquarium water in 8-fl. oz. of fresh water; add
every other day or as needed to maintain the magnesium
concentration within a range of 1,290 - 1,320 ppm. When used in
this fashion, 1,200 g treats up to 9,600 US-gallons (36,340 L).
Advanced: Create a stock solution by dissolving 20 grams
(~4 teaspoons) of Magnesion-P in 8-fl. oz. of fresh water
(preferably purified); each ml of the solution will increase
magnesium concentration (”[Mg2+]”) in 1 US-gallon (3.785 L) of
water by 6.0 ppm. [Reference: Each g of Magnesion-P will
increase the [Mg2+] in 1 US-gallon (3.785 L) of water by 114.4
ppm.] If initial [Mg2+] in the aquarium is below 1,288 ppm, add
stock sol’n at maximum rate of 10 ml per 20 US-gallons daily
until desired [Mg2+] is attained, then dose daily or weekly as
needed (see below). Maintain [Mg2+] within a range of +/-10 ppm.
Once desired [Mg2+] has been acquired, measure aquarium's [Mg2+]
at the same time each day over a one- to two-week period to
determine the daily rate of magnesium uptake (i.e. the decrease
in magnesium). To determine daily dosing rate (preferable to
weekly dosing): estimate volume of water in entire aquarium
system (US-gal.); divide the daily decrease in [Mg2+] by 6.0;
multiply this number by volume of water in system to obtain
daily ml of stock sol’n required to maintain stable [Mg2+].
Caution: Keep out of reach of children.
Not for human consumption.
Guaranteed Analysis
Magnesium (min) 43% (430,000 ppm)
Ingredients
Magnesium sulfate (anhydrous), Magnesium chloride (anhydrous) |
