Seachem Flourish Iron

Seachem Flourish Iron

Seachem Flourish Iron is a concentrated ferrous iron supplement for planted aquariums where aquatic plants need more iron than can be supplied by Flourish™ at its recommended dose. It is intended for aquarists addressing iron-related plant growth signs, including yellowing between leaf veins and short, slender stems, particularly in new growth.

Key Benefits

• Provides highly concentrated ferrous iron (Fe+2) gluconate at 10,000 mg/L.
• Supplies iron in the ferrous form required by plants.
• Ferrous gluconate is better suited to foliar feeding than iron-EDTA.
• Use when planted aquarium iron requirements exceed the amount delivered by Flourish™.
• Contains no phosphate or nitrate.

How to Use

Add Seachem Flourish Iron as required to maintain an iron concentration of approximately 0.10 mg/L. Monitor iron concentrations with the MultiTest: Iron™ test kit. Use as needed where signs associated with iron deficiency are visible, often on new plant growth.

Dosage

• Use 1 capful (5 mL) for each 200 L (50 gallons*).
• For smaller doses, each cap thread is approximately 1 mL.

Suitable For

• Freshwater planted aquariums.
• Aquatic plants showing yellowing of tissue between veins.
• Plants developing short, slender stems where additional iron is required.
• Planted tanks using Seachem Flourish™ where supplementary ferrous iron is needed.

Frequently Asked Questions

What is Seachem Flourish Iron used for?
It supplements ferrous iron in planted aquariums when plant iron requirements exceed what Flourish™ can supply at the recommended dose, or when signs associated with iron deficiency appear.

What signs may indicate that my aquarium plants need additional iron?
Signs mentioned for iron deficiency include chlorosis, or yellowing of tissue between veins, plus short and slender stems. These signs are usually seen in new growth.

How much Seachem Flourish Iron should I dose?
Dose 1 capful (5 mL) per 200 L (50 gallons*) of aquarium water, or use as required to maintain about 0.10 mg/L iron.

How can I measure a smaller dose?
Each cap thread is approximately 1 mL, allowing for smaller measured additions.

Does Seachem Flourish Iron add phosphate or nitrate to my aquarium?
No. Seachem Flourish Iron contains no phosphate or nitrate.

Why does this product use ferrous iron?
Seachem Flourish Iron supplies iron in the ferrous (Fe+2) state, which plants require. EDTA iron is in the ferric (Fe+3) state and must first be converted by plants to the ferrous form.

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.*

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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.