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Seacliff Tri-Kelp 50g

Seacliff Tri-Kelp 50g

Regular price $5.00
Regular price Sale price $5.00
Sale Sold out
Tax included.

A 3 Kelp Freeze Dried Powder - Excellent foliar spray and fertigation.

NPK = 1 - 0 - 15 

Tri-Kelp contains a blend of the three most popular growth promoting species Laminaria, Sargassum and Ascophyllum Nodosum. This blend is freeze-dried to make a 100% water soluble powder for a cost effective kelp solution.

This blend of seaweed is perfect to promote growth or flowering and adds de-stressing properties. Different kelp species have unique effects upon plant health and crop potential depending upon their nutrient & hormonal profile. 

Tri Kelp Contains

Algenic acid  18%,Nitrogen  0.89%, Potassium  15.3%, Iron. 1.07% Sulfur 1.05 %, Calcium 0.45 %, Magnesium 0.17%, Silicon 445ppm, manganese 92ppm, Zinc 48ppm, Boron 46ppm, Copper 34ppm, Cobalt 8ppm, Molybdenum 5ppm

Recommended Usage:

10g = 1Tbsp

Foliar Spray:

  • Vegetables 10 g per 10 L of  water up to 750 g/ha equivalent, apply every 1 – 2 weeks or as required 
  • Orchards & Vineyards 10 g per 10 L water up to 1 kg/ha equivalent Apply just prior to flowering 
  • Ornamentals, Natives & Turf 10 g per 10 L water up to 750 g/ha equivalent Apply as required 
  • Broadacre Crops 100 – 200 g/ha in 60 – 100 L water, depending on canopy closure, apply as required 
  • Pasture 100 – 200 g/ha in 60 – 100 L water, apply as required


  • Vegetables 1 kg/ha, apply every 1 – 2 weeks or as required
  • Orchards & Vineyards 1 kg/ha, apply just prior to flowering or as required
  • Ornamentals, Natives & Turf 1 kg/ha, apply as required

Rooting Powder:

  • Dip cuttings in 1:1000 solution (1 gram per litre) 1/3tsp
Seedling Treatment:
  • Dip seedlings in 1:1000 solution (1 gram per litre) 1/3tsp, or fertigate immediately after planting at 1 kg/ha. 

Home Gardens:

  • For a 9 L watering can, add 1 teaspoon of kelp and water in.

Nitrogen (N)


Phosphorus (P)


Potassium (K)


Sulfur (S)


Calcium (Ca)


Magnesium (Mg)


Alginic Acid


Iron (Fe)


Copper (Cu)


Manganese (Mn)


Zinc (Zn)


Boron (B)


Cobalt (Co)


Molybdenum (Mo)


Silicon (Si)



We ship every Wednesday through NZPost's overnight service. 100% of customers have had an incredible shipping experience to date.


"If I could give more than five stars I would! I ordered online & the lil guy arrived promptly and in amazing condition thanks to the love and care put into the packaging."


If you want to pop into the store, you can pick up during our opening hours 10am-1pm on Saturday, or organise a time during the week that works better for you.

Return policy

We're so confident that you'll love what you buy that we offer a 90 day return window!

We also know it can be tricky to imagine what will look good in your home so feel free to swap until you've got exactly what you're after.

View full details
  • 90 Day Money Back Guarantee 💰

    Every plant we sell comes with a 90-day no questions asked money back guarantee. If you're not 100% happy with how it looks in your home, feel free to return it!

  • Highest Quality Stockists & Soil 🪴

    We've spent months testing out nurseries and soil to find the highest quality stock. Because of this, our plants are easier to keep alive (and look better too)!

  • Locally Owned & Free Support 🎉

    We're a small, locally owned business who loves what we do! We have a 100% customer satisfaction rate to date and we love meeting other plant parents.

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