Phat Fundamental Fertiliser

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Dose in planted tanks

Phat Fundamental Fertiliser 250ml 500ml 2.75L

$15.95

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Formulation

PHAT Fundamental contains a balanced combination of nitrogen, phosphorus, potassium and essential trace elements required for healthy aquatic plant growth. The formulation is designed to provide comprehensive nutrition across a broad range of planted aquarium styles, from lightly planted community aquariums to moderately demanding aquascapes.

Application

Dose 5ml per 100L once or twice weekly. Dose according to aquarium volume, plant density and growth rate. Nutrient requirements will vary depending on lighting intensity, carbon availability and overall plant biomass.

Regular dosing helps maintain consistent nutrient availability and supports healthy growth, colouration and plant development over time.

Recommended For

Planted community aquariums, beginner aquascapes, low to medium technology planted tanks, planted nano aquariums and aquarists seeking a complete all-in-one fertiliser suitable for long-term use.

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FAQ

Q: What is PHAT Fundamental Fertiliser used for?

A: PHAT Fundamental Fertiliser is designed to provide essential nutrients that support healthy aquatic plant growth, improved colouration, and overall tank balance.

Q: What makes this a “fundamental” fertiliser?

A: It focuses on delivering core nutrients that plants need consistently, making it an ideal base fertiliser for maintaining stable growth in planted aquariums.

Q: Is it suitable for all planted aquariums?

A: Yes, it can be used in a wide range of setups, from beginner low-tech tanks to advanced high-tech aquascapes.

Q: Do I need CO2 to use this fertiliser?

A: No, it works in both CO2 and non-CO2 tanks, though results are typically enhanced when paired with CO2 injection and strong lighting.

Q: How often should I dose it?

A: Dosing depends on tank size, plant density, and lighting. Follow the recommended instructions and adjust based on plant growth and tank response.

Q: Will it improve plant colour?

A: Yes, consistent dosing helps bring out richer greens and can support vibrant colours when combined with proper lighting and conditions.

Q: Can I overdose this fertiliser?

A: Yes, excessive dosing may lead to algae or nutrient imbalance. It’s best to start with recommended levels and increase gradually if needed.

Q: Is it safe for fish and shrimp?

A: Yes, when used as directed it is safe for aquarium livestock, including sensitive species like shrimp.

Q: Can beginners use this product?

A: Absolutely. Its simple dosing makes it a great entry point for hobbyists new to planted aquariums.

Q: How long before I see results?

A: Many aquarists notice healthier plant growth and improved appearance within a few weeks of consistent use.

Q: Does this replace root tabs or substrate nutrients?

A: It complements them by supplying nutrients through the water column, working alongside substrate-based feeding.

Q: Can I use it with other fertilisers?

A: Yes, it can be combined with specialised supplements depending on your tank’s needs and goals.

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PHAT Fundamental

Complete Nutrition for Everyday Planted Aquariums

Healthy aquatic plants require more than light and carbon alone. As plants grow, essential nutrients are continuously removed from the water column and incorporated into new tissue. Over time, these nutrients must be replenished to support continued growth, healthy colouration and long-term plant health.

PHAT Fundamental was developed as a complete fertiliser for planted aquariums, supplying a balanced blend of macronutrients and trace elements suitable for a wide range of aquatic plants and aquarium styles.

Whether maintaining a planted community aquarium, a low-tech aquascape or a moderately planted display tank, PHAT Fundamental provides the nutrients required to support healthy and consistent plant growth without the complexity often associated with advanced fertilisation regimes.

Balanced Nutrition for Sustainable Growth

Plant growth is governed by the availability of light, carbon and nutrients. When one of these factors becomes limiting, growth efficiency declines and plants may begin to exhibit signs of nutrient deficiency.

PHAT Fundamental delivers essential nutrients in a balanced formulation designed to support steady growth across a broad range of aquatic plant species. By maintaining nutrient availability within the water column, plants are better able to produce healthy foliage, develop stronger root systems and recover from routine pruning and maintenance.

Rather than targeting maximum growth rates, the formulation focuses on maintaining consistent nutrient availability that supports long-term aquarium stability.

Suitable for a Wide Range of Aquariums

Not every planted aquarium requires the intensive fertilisation approach used in competition aquascapes. Many planted aquariums achieve excellent results through a balanced fertilisation strategy combined with appropriate lighting, regular maintenance and stable water parameters.

PHAT Fundamental was developed specifically for these systems, providing comprehensive nutrition without the need for multiple products or complex dosing schedules.

The formulation is suitable for community aquariums, planted nano tanks, beginner aquascapes and established planted systems seeking a reliable all-in-one fertiliser.

A Foundation for Healthy Plant Growth

Consistent fertilisation allows aquatic plants to maintain active growth and avoid the cyclical nutrient shortages that commonly occur in planted aquariums.

By supplying the nutrients plants consume on a daily basis, PHAT Fundamental helps support stronger growth, improved colouration and healthier overall plant development while contributing to a more balanced aquarium ecosystem.