Flourish 500ml

Seachem Flourish 500 ml is aimed at aquarists who grow plants and already dose macronutrients separately. It supplies micronutrients on their own, so the tank is not overloaded with trace elements while the macronutrient level is being raised.

Why it matters

• Designed to be used alongside other fertilisers that supply macro- and micronutrients, so it does not duplicate what those products already provide.
• The manufacturer notes that products containing every nutrient can push trace elements too high when the aim is to raise macronutrients. Flourish avoids this by supplying only micronutrients.
• For macronutrient deficiencies, the manufacturer recommends Flourish Nitrogen, Flourish Phosphorus and Flourish Potassium.
• The dosing cap has notches at 1 ml intervals, so smaller doses can be measured precisely. One full cap (5 ml) is dosed per 250 l, once or twice a week.

Specifications

• Volume: 500 ml
• Net weight: 0.5 kg
• Dose: one cap (5 ml) per 250 l of water, once or twice weekly
• Storage after opening: refrigeration recommended, not required
• Total nitrogen (N): 0.07%
• Available phosphorus (P2O5): 0.01%
• Soluble potassium carbonate (K): 0.37%
• Magnesium (Mg): 0.11%
• Sulphur (S): 0.2773%
• Calcium (Ca): 0.14%
• Sodium (Na): 0.13%
• Chlorine (Cl): 1.15%
• Iron (Fe): 0.32%
• Manganese (Mn): 0.0118%
• Boron (B): 0.009%
• Molybdenum (Mo): 0.009%
• Zinc (Zn): 0.0007%
• Cobalt (Co): 0.0004%
• Copper (Cu): 0.0001%

What it works with

Flourish is intended for planted aquariums, where it is combined with macronutrient fertilisers and, where needed, with Flourish Nitrogen, Flourish Phosphorus and Flourish Potassium. Dosing is based on water volume, so the 5 ml per 250 l rate can be scaled to the size of the tank.