Hi laura, my question is if this culture is safe to eat (fda?) after harvesting. or is this also for research purpose?

Hi Tim,Spirulina is a safe organism to eat. It is how it is raised and prepared that can become problematic. If it is grown in water with a pH around 10, the probability of problems is lessened. Also cleaning the algae after harvest is advised, and drying helps to kill pathogens. Finally, I must state (as my wife is a lawyer), eating anything you grow at home, be it beans, corn, or spirulina; how you grow it effects the safety of the product. Therefore, we offer no guarantee, warrantee, or prediction of safety if you choose to consume this product or feed it to animals. That said, I have not had any one tell me that they have had any problems.

Spirulina platensis, Spirulina maxima, Spirulina fusiformis? What is it?

To the best of my knowledge they are all the same species. But technically, S. Platenais.

Without adding nutrients, how much can this algae grow in 5 days?

It will contain enough nutrients in the biomass itself (luxury uptake) to likely double. The media it ships with will have enough to more than double as well.

how much solution will this make?

You question is a bit vague I think, but I will answer to the best I can.Infinite if done properly, and continue to build your nutrient solution to feed the algae culture as you harvest.I was able to fill 5 gallons and used less than half of the liter, and it was enough to grow very well. So I will be harvesting and adding more nutrient solution to keep it going. I imagine it's at least enough to start 3x five-gallon tanks, but if you plan on growing it out, you will gain an infinite supply if you take care of it.

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Algae Research Supply Algae Culture Chlorella Vulgaris, Perfect for School Science Fairs/Projects, Experiments & Classrooms (1000ml)

Product ID: 50169417

Details

Brand
Algae Research
Item Form
Liquid
Liquid Volume
1000 ml
Manufacturer
Algae Research
UPC
730656339567

🌱up to 46% protein content

🚀space-tested algae strain

🧪1000ml live algae culture

¥23381

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Description

🌿 Grow Smarter, Experiment Faster, Impress Harder!

SPACE PROVEN STRAIN - Join the elite few who’ve sent this algae into space three times, adding a cosmic edge to your classroom or research lab.
EXPERT SUPPORT RESOURCES - Access detailed manuals and instructional videos to ensure your experiments succeed and stand out at any science fair.
COMPREHENSIVE CULTURE OPTIONS - Choose from pure cultures, kits with nutrients and flasks, farming kits for biomass, or concentrated algae beads tailored to your project needs.
RAPID GROWTH FOR FAST RESULTS - Accelerate your science projects with algae that grow faster than land plants, perfect for tight deadlines and impressive presentations.
VERSATILE EXPERIMENTAL APPLICATIONS - Ideal for toxicology, light quality, environmental change studies, and algae bloom experiments—unlock endless scientific possibilities.

Algae Research Supply’s 1000ml Chlorella Vulgaris culture offers a high-protein, fast-growing algae strain cultivated in San Diego labs, ideal for educational and experimental use. With proven spaceflight heritage and multiple culture formats, it empowers students and professionals to conduct cutting-edge, inquiry-based science projects with ease and confidence.

Specifications

ASIN	B073T91B7H
Brand	Algae Research and Supply
Brand Name	Algae Research and Supply
Customer Reviews	3.6 out of 5 stars 10 Reviews
Item Form	Liquid
Liquid Volume	1000 ml
Manufacturer	Algae Research Supply
Manufacturer Part Number	AC
Model Number	AC
Number of Items	1
Target Species	Algae
UPC	730656339567

Reviews

C**N

Exactly what it says it is.

My son needed this for his science fair project. It was exactly what it listed it was, he was able to add it easily to his experiment, and he made it to states.

8.06.2020

T**F

No signs of growth after several weeks

Despite following all the provided instructions carefully—maintaining proper light, temperature, and nutrient levels—the culture remained stagnant and showed no signs of growth after several weeks, no visible increase in biomass or color change indicating growth.

19.05.2025

S**Y

Looked like plain water...

And for about two weeks I thought I'd bought a dead culture but then one day there was a hint of green which has gotten greener every day. I took a quart jar and added non-chlorinated water with a few drops of liquid plant food. This seems to be working well.

8.11.2022

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¥23381

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Good experience, but the tracking updates could be better.

2 months ago

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