Reef Blueprint Formul8 Reef 40 gals., 35.4 ppt - Reef Artificial Sea Water Mix
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Reef Blueprint Formul8 Reef 40 gals., 35.4 ppt - Reef Artificial Sea Water Mix


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Complete artificial seawater salt blend with an ionic composition formulated for coral growers. Concentrations of Mg, Ca, K, and Sr are linearly increased, while Na is decreased to maintain appropriate salinity value. Enhanced alkalinity. Mixes to a final salinity value of 35.4. Minor and trace elements included are specifically those not considered by researchers to be phytotoxic and which exhibit a nutrient-type depth profile in open oceanic waters. Clean; no residue in mixing vessels.

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Complete artificial seawater salt blend with an ionic composition formulated for coral growers. Concentrations of Mg, Ca, K, and Sr are linearly increased, while Na is decreased to maintain appropriate salinity value. Enhanced alkalinity. Mixes to a final salinity value of 35.4. Minor and trace elements included are specifically those not considered by researchers to be phytotoxic and which exhibit a nutrient-type depth profile in open oceanic waters. Clean; no residue in mixing vessels.

Formul8 comprises any formulation which results in what we term "Engineered Seawater Salt".  It is composed of >99% w/w anhydrous materials, with purity not less than that which conforms to FCC grade for major components, and ACS-Reagent grade for minor components.  Due to the purity of components utilized, all Formul8 variants mix to ≥99% clarity of purified water utilized in the seawater preparation.  Ionic consistency between containers generally exceeds 99.5%.  Formul8 blends do not deposit residue on static surfaces, such as mixing vessels and pipes.  Recommended applications for Formul8 blends are: aquaculture; zoological displays; and scientific research projects demanding the greatest purity of components, homogeneity of blend, and accuracy of ionic values, such as in lab sea surface temperature ‚Äčanalysis and biotope reproduction.

We produce three variations of the Formul8 series, namely ASW, Reef, and RSW, corresponding with open ocean seawater values (S=35.2), enhanced coral grower values (S=35.4), and Red Sea values (S=40.1), respectively.  For quick reference, ionic composition of these formulations is presented in the table below.  Hyperlinks lead to the dedicated product pages and provide additional details regarding usage.

 

Parameter Formul8 ASW Formul8 Reef Formul8 ASW

Salinity

35.2 35.4 40.1
pH average 8.35 +/-0.050 8.35 +/-0.050 8.35 +/-0.050
Alkalinity average 5.70 dKH / 8.00 dKH* 8.00 dKH 9.11 dKH
Chloride 19,313.69 ppm 19,392.43 ppm 21,934.01 ppm
Sulfate 2,712.36 ppm 2,712.36 ppm 3,080.35 ppm
Sodium 10,783.84 ppm 10,678.70 ppm 12,246.91 ppm
Magnesium 1,283.72 ppm 1,347.91 ppm 1,457.89 ppm

Calcium

412.10 ppm 432.70 ppm 467.99 ppm
Potassium 399.10 ppm 419.06 ppm 453.25 ppm
Bromide 67.23 ppm 67.23 ppm 76.35 ppm
Strontium 7.94 ppm 8.34 ppm 9.02 ppm
Boron 4.45 ppm 4.45 ppm 5.05 ppm
Fluoride 1.298 ppm 1.298 ppm 1.471 ppm
Rubidium 1.197x10-1 ppm 1.197x10-1 ppm 1.357x10-1 ppm
Iodide 5.584x10-2 ppm 5.584x10-2 ppm 6.332x10-2 ppm
Molybdenum 1.055x10-2 ppm 1.055x10-2 ppm 1.196x10-2 ppm
Vanadium 2.000x10-3 ppm 2.000x10-3 ppm 2.267x10-3 ppm
Nickel 4.695x10-4 ppm 4.695x10-4 ppm 5.443x10-4 ppm
Zinc 3.925x10-4 ppm 3.925x10-4 ppm 5.669x10-4 ppm
Manganese 2.747x10-4 ppm 2.747x10-4 ppm 3.402x10-4 ppm
Copper 2.542x10-4 ppm 2.542x10-4 ppm 1.134x10-4 ppm
Selenium 1.342x10-4 ppm 1.342x10-4 ppm 1.521x10-4 ppm
Iron 5.585x10-5 ppm 5.585x10-5 ppm 6.236x10-5 ppm
Cobalt 1.768x10-6 ppm 1.768x10-6 ppm 3.402x10-6 ppm
 
 

*Captiv8 Aquaculture-branded ASW formulation: 5.70 dKH; Reef Blueprint-branded ASW formulation: 8.00 dKH.

Astute observers will notice that the minor and trace elements incorporated into these formulations are those which are specifically demonstrated by oceanographic researchers to exhibit nutrient-type depth profiles, and which are not considered phytotoxic at NSW values; this list conforms with our minor and trace element solution, Isol8 MT, which is intended to be dosed into recirculating seawater systems as a means of maintaining NSW values, at the daily rate of 1 mL / 250 gallons, or 1 drop (0.05 mL) per 12.5 gallons.

Lanthanide metals (Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, and Lutetium) are not incorporated into these formulations; this decision has been made as a result of the considerable body of evidence which shows that these elements, collectively, are phytotoxic in concentrations which are at or below those of their respective NSW values (assuming S=35.0).  Additionally, barium and chromium salts are excluded on grounds of contact toxicity.

All variants of the Formul8 series incorporate sodium chloride, not the case with our Formul8x series which requires that the user add their own, locally-sourced (hopefully) sodium chloride in order to create a complete seawater analog.  For those interested, we use FCC-grade Morton Purex, not TFC Purex (which contains an anti-caking agent, Yellow Prussiate of Soda, aka Sodium ferrocyanide), in the Formul8 series.  Average purity of FCC-grade Morton Purex exceeds 99.75%.  For reference, sodium chloride purity must be above 99.0% in order to qualify as USP-grade.

We offer the service of producing customized engineered salt blends for those interested.  Clientele may dictate that the formulation follows seawater composition as recorded by a specific researcher, collaborative team, or lab.  There are many such analyses published.  Published values generally reflect open ocean ionic composition (Arctic, Atlantic, Indian, Pacific, Southern Ocean, and marginal seas with ionic composition similar to open ocean values, herein collectively referred to as "average seawater").  Because the values for all ions tend to vary less than 2% (S=35) in these reports (even dating back to the 1960's), we do not feel that there is much practical difference in outcome of using one report vs another as a basis for an engineered seawater salt.  Be that as it may, we do not recommend any one single report to follow as a basis for reproducing average seawater chemistry.  Interested parties are directed to any appropriate peer-reviewed literature published within the last five years which includes a comprehensive analysis of seawater using modern analytical methods, bearing in mind that the individual values published are sometimes a compilation of ion-specific analyses performed by individuals and labs.

If the client's objective is to have a formulation created which features an elevated or reduced concentration of one or more ions relative to their average seawater values, then the procedure is simply to provide us with the target values for those ions.  We are able to formulate and produce a blended salt which conforms to practically any requirements, with variance of ≤0.01%, assuming one degree of freedom (chloride in most cases, though sulfate can sometimes be used).

Similarly, it is possible to formulate and produce an engineered seawater salt which accurately recreates the chemical composition of marginal seas with ionic values which do not conform to average seawater.  Examples are the Mediterranean Sea and Black Sea.

 

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