SKU: 81804384161
house and garden plant nutrient

house and garden plant nutrient House and Garden Algen Extract, 500 mL

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Description

house and garden plant nutrient House and Garden Algen Extract, 500 mLAlgen Extract plays a significant role in the health of your plants immune system, providing superior resistance to disease and pests. House & Garden Algen Extract is a concentrated solution of Norwegian Sea Kelp, (Ascophyllum nodosum). Plants in all phases of growth love kelp for the many benefits it provides. Micro nutrients, beneficial vitamins, and macro nutrients are all present in Algen Extract. This helps ensure a better leaf color and Algen

Algen Extract plays a significant role in the health of your plant’s immune system, providing superior resistance to disease and pests.

House & Garden Algen Extract is a concentrated solution of Norwegian Sea Kelp, (Ascophyllum nodosum). Plants in all phases of growth love kelp for the many benefits it provides. Micro nutrients, beneficial vitamins, and macro-nutrients are all present in Algen Extract. This helps ensure a better leaf color and Algen Extract also stimulates the formation of fine root hairs, leading to increased uptake of various trace elements.

House & Garden Algen Extract is a premium blend of Norwegian Sea Kelp, containing high levels of active enzymes and cytokinin, as well as amino acids. Our Algen extract is extracted in cold water, which ensures the biological life remains intact and un-denatured. The extract is therefore rich in both macro nutrients (such as N, P, K, Ca, Mg & S) and micro nutrients (Mn, Cu, Fe & Zn). Algen Extract also contains very high levels of natural hormones, polysaccharides and proteins. These substances stimulate healthy root growth, which makes an important supplement to the base nutrients of the plant. The Norwegian Kelp is very unique and its benefits will be evident within a couple of days. Spoil your plants with Algen Extract and reap the rewards through faster, healthier growth.


Algen Extract stimulates the growth of the root system enabling the plant to absorb more nutrients. It also increases the resistance of the plant and stimulates the production of chlorophyll. A larger root system guarantees improved growth during the entire season

Algen Extract Key Features

  • Aids in plant recovery and stress relief
  • Stimulates the formation of root hair, leading to increased uptake of trace elements
  • Increases resistance to disease and pests
  • Faster, healthier growth
  • Dosage: 1 mL/L

Growth Phase

Bloom Phase




Algen Extract Application

Prepare your nutrient container by first adding your base nutrient (e.g Cocos, Hydro or Soil) to the water container. Add your Algen Extract and other H&G additives. Adjust the pH value and EC according to the stage of plant growth.

Note: Algen extract may congeal or harden in your bottles. Due to it being such a concentrated and powerful product, packed with so many different compounds this may occur. Don’t worry, simply mix the Algen extract with water and mix vigorously. This should ensure further use for older bottles.


Follow This Simple Feed Chart Designed by our Research Team

Week 1 Week 2 Week 3 Week 4 Week 5 Week 6
1 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L
Week 7 Week 8 Week 9 Week 10 Week 11 Week 12
1 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L 1 mL/L

Note: All House and Garden Products are cleared for use in medical, licensed farms.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 81804384161

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Kim Conard
Louisville, US
★★★★★ 5
Great product
Size: 1.7 Fl Oz (Pack of 1)
Nice product. I like the pump to get a small amount. Glides nicely on my skin and no white residue. Not sticky.
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Reviewed in the United States on May 19, 2026
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chelsea
Port Orchard, US
★★★★★ 5
* Horrible eye pain! * Made my face glow! Great for dry skin as a moisturizer spf
Size: 1.7 Fl Oz (Pack of 1), Size: 1.7 Fl Oz (Pack of 1)
Update* After actually wearing it all day reaction - I wore this in the semi-sun to the beach just to walk to shoreline, not actually sitting in sun or getting into water just a 30 minute walk, and by one hour in my eye started to swell and both eyes were in horrible pain. I had to go was my face and eyes as well as put in repeated cosine to help my eyes. My eyes even over night after thorough washing and cleaning still have a slight pain to them. This also clogged some pores and made me itch and break out. I think if you are going to be in AC and no hint of sun or sweat this would be okay. However if you are buying to walk around in any kind of sun this may not be it. For me personally I will be returning. I was hoping this would’ve worked for me. I love neutrogena products but the reaction to my eyes impossible to use for me. First initial opening and putting in my face reaction- Very light weight. Smaller size than I realized. Makes my skin have a sheen soft glow. I would highly recommend for those who have dry skin. If you have naturally oily skin this may have a little too much sheen in it for you all. It does make my face feel absolutely baby soft. I was looking for a moisturizing spf for my face that doesn’t turn my skin white or cake on and over my skin and this is great. I will try it in the sun today and see how it lasts and works. No white at all which I absolutely love. Feels great in my skin. Fragrance free has barely any smell to it which is also nice. Oxybenzone free. It is slowly drying into my skin which is nice. I do not believe it is water or sweat proof so you will have to reapply. It hasn’t hurt my eyes so far but I will update when I am out in the sun to share more feedback if this feedback isn’t the same. Overall very happy.
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Reviewed in the United States on March 7, 2024
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rsorrell
Grantham, US
★★★★★ 5
Excellent purchase
Size: 1.7 Fl Oz (Pack of 1)
It seems like it's a small bottle, but it works really well and goes on smooth. It helps me look healthy and I'm 65 years old.
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Reviewed in the United States on June 1, 2026
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Lil
Bozeman, US
★★★★★ 5
Easy 5 Stars
Size: 1.7 Fl Oz (Pack of 1)
Excellent product. Non greasy. Lightweight lasting moisture. Doesn’t look shiny. Layers well under make up. Doesn’t cause break outs.
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Reviewed in the United States on April 3, 2026
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Verified Purchase
cecilia pena
Phoenix, US
★★★★★ 5
Lightweight, non-greasy, and perfect for daily use”
Size: 3 Fl Oz (Pack of 1), Style: SPF 55
This sunscreen is perfect for daily use. It has a very lightweight texture and absorbs almost instantly without leaving any greasy or sticky feeling on the skin. I love that it doesn’t clog pores and works well under makeup. It provides great sun protection while keeping the skin feeling clean and comfortable throughout the day. Definitely a reliable option if you’re looking for an effective, non-greasy sunscreen.
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Reviewed in the United States on April 16, 2026

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