Advanced Nutrients Hammerhead

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Advanced Nutrients Hammerhead – targeted PK nutrition for flowering plants

Advanced Nutrients Hammerhead is a liquid bloom booster that adds phosphorus and potassium to your base nutrient programme. Suitable for beginners and experienced growers, it can be used with flowering plants in soil, coco coir and hydroponic systems, both indoors and outdoors. It complements your base nutrients to support flower development without introducing additional nitrogen.

A 1:3 PK ratio with potassium citrate

The NPK 0-4-12 formula provides a 1:3 PK ratio and uses potassium citrate as a potassium source. This allows you to supplement phosphorus and potassium during flowering without increasing the nitrogen content of your nutrient solution. Your base nutrients remain responsible for supplying the nitrogen your plants need.

Works alongside your base nutrients

Hammerhead was developed specifically to complement the Sensi Terra Series. It is also compatible with pH Perfect base nutrients such as pH Perfect Sensi Bloom A and B, as well as base nutrients without pH Perfect. Hammerhead is a supplement, not a replacement for a complete base nutrient. Account for any other PK additives when planning your feeding programme rather than dosing several boosters independently.

Measuring and applying during flowering

Shake the container before use and add 2 ml per litre of water. The feeding schedule specifies use during flowering weeks 3–7. For 10 litres of water, this works out at 20 ml of Hammerhead. A measuring cup with 2 ml increments helps you measure the required amount. Follow the appropriate feeding schedule and take your plants’ stage of development into account.

Technical details:

• Manufacturer: Advanced Nutrients
• Product type: Liquid PK booster for supplementing base nutrients
• Plant stage: Flowering
• Growing environment: Indoor and outdoor
• Suitable media: Soil, coco coir and hydroponic systems
• NPK: 0-4-12
• PK ratio: 1:3
• Nitrogen: No added nitrogen
• Potassium source: Potassium citrate
• Dosage: 2 ml per litre of water
• Application period: Flowering weeks 3–7 according to the feeding schedule
• Compatibility: Sensi Terra Series and base nutrients with or without pH Perfect
• Container sizes: 250 ml, 500 ml, 1 L, 5 L and 10 L
• Contents: 1 × Advanced Nutrients Hammerhead in the selected size

Sold and shipped by Growmart (Hamburg, Germany), which delivers across Europe with DHL. Prices are set by the vendor and you complete your purchase on their site.