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)

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
Manufacturer
Algae Research
UPC
730656339567

⚡Rapid growth for fast experiments

🌈Vibrant pigment diversity

🧪1000ml live algae culture

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Description

🌿 Grow brilliance fast with the algae that’s out of this world!

SPACE TESTED STEM APPROVED - Used in real space experiments—join the elite community pushing boundaries.
COMPLETE SUPPORT EASY SETUP - Includes detailed manual and online videos to ensure your success from day one.
DIVE INTO A SPECTRUM OF SCIENCE - Showcase colorful pigments from green chlorophyll to rare phycoerythrin reds.
ACCELERATE YOUR SCIENCE FAIR WINS - Fast-growing algae culture delivers visible results in days, not weeks.
LAB GRADE QUALITY CLASSROOM READY - Cultured in San Diego labs with proven reliability for inquiry-based projects.

Algae Research Supply’s 1000ml Chlorella Vulgaris culture offers a lab-grown, fast-growing algae strain rich in protein (up to 46%) and vibrant pigments. Perfect for educators and students, it accelerates science projects with reliable growth and comes with comprehensive instructions and online support. Trusted by space missions and science fairs alike, this culture transforms classrooms into cutting-edge biology labs.

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 Milliliters
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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฿7437

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In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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