Seachem Reef Potassium

Seachem Reef Potassium

Seachem Reef Potassium is a concentrated potassium supplement for marine reef aquariums, formulated for reef keepers maintaining corals and macroalgae. It provides a targeted way to increase potassium without adding phosphate or dissolved organics, making it useful where nitrogen and phosphorus supplementation may increase potassium utilisation.

Key Benefits

• Contains 100,000 mg/L potassium and 10% elemental potassium.
• Supports the metabolic processes, protein synthesis and growth of corals and macroalgae.
• May support coral and macroalgae growth and colour, particularly red and pink coral colouration.
• Raises potassium without adding phosphate or dissolved organics.
• Suitable for manual dosing or use with an aquavitro® sentia™ dose doser.

Dosage

• Beginner: Use 1 cap (5 mL) per 160 L (40 US gallons) twice weekly, or as needed to maintain the desired potassium level.
• This dose raises potassium by 3 mg/L.
• Advanced dosing formula: 0.01vn=m, where v = aquarium volume in litres, n = desired potassium increase and m = volume of product to dose in mL.
• Example: To raise potassium by 3 mg/L in 160 litres, dose 5 mL: 0.01 × 160 × 3 = 5 mL.

Suitable For

• Marine reef aquariums with corals and macroalgae.
• Reef systems where potassium levels are being monitored and adjusted according to aquarium demand.

Compatibility

• Can be used alongside Seachem Reef Nitrogen™ and Reef Phosphorus™ to maintain nitrogen and phosphorus levels.
• Ideally suited to use with an aquavitro® sentia™ dose doser for consistent potassium supplementation.

Specifications

• Generally recommended potassium range: 380–400 mg/L.
• For reference: 1 US gallon = 3.8 L.

Frequently Asked Questions

What does Seachem Reef Potassium do in a reef aquarium?
It supplements potassium, an essential element used in metabolic processes, protein synthesis and the growth of corals and macroalgae.

How much Seachem Reef Potassium should I dose?
Use 1 cap (5 mL) per 160 L (40 US gallons) twice a week, or dose as needed to maintain your preferred potassium concentration.

How much will a 5 mL dose raise potassium?
A 5 mL dose in 160 litres raises potassium by 3 mg/L.

What potassium level should I aim for in my marine tank?
Ideal levels vary between aquariums, but the general range is 380–400 mg/L potassium.

Does this supplement add phosphate or dissolved organics?
No. Reef Potassium is designed to raise potassium without also adding phosphate or dissolved organics.

Can I dose Reef Potassium automatically?
Yes. It is ideally suited for use with an aquavitro® sentia™ dose doser, and it can also be dosed manually.

When can I expect delivery?

• Gauteng (Jhb/Pta) - 1-3 working days
• Nationwide (Cpt/Dbn+) - 2-5 working days
• Outlying Areas - 3-7 working days

All orders are sent via Economy Road, typically through Fastway or Internet Express Couriers*. Estimated timeframes are not guaranteed. Once the order is collected by the courier, we have no control over third-party logistics and cannot make any time promises.

If you prefer a faster 🚀 shipping option, we also offer The Courier Guy during checkout in the dropdown selection. Please note that this option is not free, and you must choose it to use it. Please pay careful attention to the cutoff times and delivery timeframe for these options during checkout.

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No more waiting at home or at work for your delivery. Simply choose a collection locker or pickup point and collect your order when it suits you.

Delivery times to lockers and pickup locations typically range from 2–7 working days, depending on your location.*

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Collection timeframes:

• Bob Box: Collect within 2 days of receiving your collection notification.
• PUDO Lockers: Collect within 36 hours of receiving your collection PIN or SMS notification.

If a PUDO parcel is not collected within 36 hours, it will automatically be transferred to the nearest PUDO Kiosk or Depot at no additional cost. The parcel will then be held there for approximately 2 days before being returned.

Please ensure you collect your parcel within the applicable collection period. Uncollected parcels will be returned to the sender, and additional shipping charges may apply should the order need to be resent.