Fauna Marin Elementals Potassium 1000 mL
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Fauna Marin Elementals K – Aquarium Potassium for Reef Health
Fauna Marin Elementals Potassium (K) delivers concentrated aquarium potassium support for reef tanks that need a boost in coral vitality and water balance. Whether you’re topping off your reef chemistry or fine-tuning a mixed reef, this high-quality supplement from Fauna Marin keeps potassium levels stable. Pair it with other essentials in our Maintenance & Accessories range for complete reef care.
Why Fauna Marin Elementals Potassium (K) is a Reef Essential
Potassium plays a hugerole in polyp extension, coral skeletal structure, and overall reef health. SPS Coral growth and coloration will slow without it. Fauna Marin Elementals K is formulated for precision dosing, helping aquarists maintain the optimal 350–400 mg/L range with confidence.
If you’re building a supplement plan, check our Salt & Supplements section—especially the targeted Supplements that work hand-in-hand with this formula.
Key Benefits of Fauna Marin Elementals Potassium (K)
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High concentration for precise potassium adjustments
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Supports coral coloration and polyp extension
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Promotes skeletal growth in SPS and LPS corals
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Easy-to-measure liquid formula for reliable dosing
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Reef-safe composition for sensitive marine life
Recommended Dosing for Aquarium Potassium
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Standard Dose: 1.7 fl oz per 26 gallons = +10 mg potassium
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Maximum Dose: +50 mg potassium per day
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Always test water parameters before adjusting dosage
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Avoid exceeding the maximum recommended amount
Handling and Storage Tips
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Close the container when you are not using it
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Store in a dry, cool place, ideally at room temperature
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Wear gloves during handling and discard them after use
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If solution contacts eyes, flush with clean water immediately
Pro Tip for Reef Keepers
Many hobbyists dose Elementals K (Potassium) alongside magnesium and calcium to create a balanced reef environment based on chemistry. This keeps water content stable and prevents sudden parameter changes or swings.
Frequently Asked Questions About Fauna Marin Elementals Potassium (K)
Q: How often should I dose Fauna Marin Elementals K?
A: Most aquarists test potassium weekly and adjust dosing accordingly. Avoid large single doses unless levels are significantly low.
Q: Can I use this with other potassium supplements?
A: Yes, but always track total potassium input to prevent overdosing.
Q: What happens if I overdose potassium?
A: High potassium can stress corals and inverts. Reduce dosing and perform partial water changes if needed.
Q: Is this product safe for fish-only tanks?
A: Yes, but benefits are most noticeable in coral-heavy reef systems.

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