Seachem Reef Fusion 1 - Calcium

Seachem Reef Fusion 1 - Calcium

Seachem Reef Fusion 1 - Calcium is a marine aquarium calcium and trace-element supplement for reef keepers maintaining coral systems. It forms part of Seachem’s Reef Fusion system, supplying ionic calcium alongside selected trace elements for reef aquariums.

Key Benefits

• Provides 100,000 mg/L of ionic calcium.
• Contains magnesium, strontium, boron, iron, manganese and molybdenum at biologically appropriate levels.
• Designed to be used with Seachem Reef Fusion 2, which provides alkalinity.
• Helps maintain the calcium and alkalinity levels required for healthy coral growth when used as directed.

How to Use

• Shake well before use.
• Add Reef Fusion 1 to a high-current area of the aquarium.
• Wait a few minutes before adding Reef Fusion 2 in the same manner.
• Preferably add Reef Fusion 1 and Reef Fusion 2 at separate locations in the tank.
• Never mix Reef Fusion 1 and Reef Fusion 2 directly.

Dosage

• Dose every 1–2 days.
• Add 1 mL of Reef Fusion 1 per 25 L (6.5 US gallons) of aquarium water.
• For reference, the cap holds 5 mL.
• This dose contributes 4 mg/L of calcium and 0.176 meq/L of alkalinity.
• The dose size or frequency may be increased if needed to maintain target levels, but do not exceed 4 mL/25 L (6.5 US gallons) per day.

Suitable For

• Marine reef aquariums with corals.
• Reef aquariums requiring calcium supplementation and trace elements.
• Use alongside Reef Fusion 2 as part of a calcium and alkalinity maintenance routine.

Specifications

• Maintain calcium between 380–420 mg/L.
• Maintain alkalinity between 3–6 meq/L.

What's Included

• Seachem Reef Fusion 1 - Calcium marine aquarium supplement.

Frequently Asked Questions

What does Seachem Reef Fusion 1 provide?
It provides ionic calcium at 100,000 mg/L, plus magnesium, strontium, boron, iron, manganese and molybdenum.

Do I need to use Reef Fusion 2 with Reef Fusion 1?
Reef Fusion 1 provides calcium, while Reef Fusion 2 provides alkalinity. They are formulated to work together as the Reef Fusion system.

How much Reef Fusion 1 should I add to my reef tank?
Add 1 mL per 25 L (6.5 US gallons) every 1–2 days, after shaking the bottle well.

Can Reef Fusion 1 and Reef Fusion 2 be mixed before dosing?
No. Never mix the two products directly. Add Reef Fusion 1 in a high-current area, wait a few minutes, then add Reef Fusion 2 separately.

What calcium level should I maintain in a reef aquarium?
Maintain calcium between 380–420 mg/L and alkalinity between 3–6 meq/L.

What is the maximum daily dose?
Do not exceed 4 mL per 25 L (6.5 US gallons) per day.

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.

Enjoy the convenience of collection points and lockers! 📦

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.*

Search a PUDO Location Near You

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.