Captiv8 Reef Blueprint Isol8:Rb 60mL - Rubidium
Rubidium sol'n; 10,000 ppm. Increases rubidium in recirculating seawater systems for intensified red and purple biopigmentation in cnidarians. 1 drop (0.05 mL) per 1.10 gal. (4.18 L), or 1 mL per 22.0 gal. (83.5 L), once daily to maintain NSW value for S=35. 10,000 ppm rubidium, derived from rubidium chloride (anhydrous source, USP).
Parameter
Rubidium
Value
10,000 ppm
Characteristics
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See 'Application' section below for use of this solution in ICP system volume calculation via Reef-Labs.com
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Active Components: Rubidium chloride, anhydrous, USP.
Basic Application
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1 drop (0.05 mL) per 1.104 gallons (4.177 L), or 1 mL per 22.072 gallons (85.542 L), provides NSW [Rb].
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1 mL per 26.4 gallons (100 L) increases [Rb] by 0.10 ppm.
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Reference Standard [Se]:
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0.1197 ppm (S=35.0)
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0.1362 ppm (S=40.0)
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In established systems, increase [Rb] up to 5% of existing ionic value daily, until desired value or reference standard is reached.
Recommended is diluting an appropriate volume of this solution into a larger volume of purified water (with a purity of at least 98%), and applying this diluted solution to the system with an automated dosing system. Dosing frequency is directly proportional to stability of ionic concentrations and, resultantly, continuous cohort biomass growth. A 1 - 10 s drip interval provides adequate ionic stability, and is recommended.
If no automated dosing system is available, then apply solution manually each day. Dosing frequency is directly proportional to stability of ionic concentrations and, resultantly, continuous cohort biomass growth. Dosage volume per 24 h is divided by the dosing frequency*.
It is not recommended that this formulation be dosed fewer than four times weekly.
Reference Standards: 1 mL Isol8 Rb diluted in 26.4 gal. (100 L) water yields 100 μg/L increase of [Rb].
To calculate required solution volume for known parameter differential:
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Multiply net water volume (L) by actual [Rb] (ppm).
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Multiply net water volume (L) by desired [Rb] (ppm).
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Subtract product of Step 1 from product of Step 2.
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Divide difference of Step 3 by 0.50. Answer is drops sol’n required to achieve desired [Rb] in situ.
Recommended: Do not increase parameter concentration by more than 5% per 24 h period in systems with existing cohorts. Aside from emergencies (e.g. excessive nutrient content in an active system, greatly depressed or excessive salinity, etc.), gradual changes in water composition are generally tolerated better by aquatic organisms than are rapid changes.
*Example: If dosage volume per 24 h = 1 mL and dosing frequency = 4, then dose 0.25 mL per event.