FZONE Root Tabs Aquarium Plant Fertilizer, 60g

FZONE Root Tabs are slow-release fertilizer tablets for freshwater planted aquariums. The box holds 60g of tabs, each weighing 0.8g. FZONE says each tab feeds plants for up to 2-3 months.

Nutrient balance

The NPK ratio is 1 : 0.3 : 2.6, a low-nitrogen, low-phosphorus, high-potassium formula. That favors stable water quality: plants get plenty of potassium, while little extra nitrogen or phosphorus leaks into the water to feed algae.

Which plants benefit

FZONE points to crypts, sword plants and dense carpeting plants. All of these draw heavily from the substrate.

Placement

Each tab covers approximately 5 square inches of planting area. Use aquascaping tweezers to place each tab about 3-5 cm from plant roots. The tabs sink immediately and stay in place.

Small tabs, flexible dosing

At 0.8g, these tabs are smaller than many others. That suits nano tanks and carpet areas where you want many small doses spread evenly rather than a few large ones.

Schedule

Add a new round as the 2-3 month window ends, or sooner if new growth pales. Note the date each time.

Fish and shrimp

FZONE describes them as safe for all fish and shrimp. As with any fertilizer, bury them fully and avoid heavy overdosing in small invert tanks.

Pairing

Pair with a nutrient soil such as FZONE Aquarium Soil once the soil’s own supply drops, or use them alone in inert sand. Compare with Montorchid root tabs, which are larger at 1g each.

For a carpet, lay tabs in a grid under the carpet area before planting, so you do not have to push through dense roots later. For a single large sword, place two or three tabs around the base rather than one directly under the crown. Mark placements on a simple sketch so you know where to add the next round.