Discover
Guides, research and practical ideas on microalgae for people, pets, farms and the planet.
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Why You Should Keep a Log of Your Algae Culture
A short daily log turns guesswork into pattern. What to record, a ready-made layout, and how to use it to find out why a…
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Why Aquarium Water Turns Green and What It Means
Green water in an aquarium is a bloom of free-floating algae. Why it happens, whether it harms fish, and how to clear it without…
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Water Quality Basics in Microalgae-Fed Systems
The handful of water parameters that matter when algae are part of a fish or invertebrate system: oxygen, pH, ammonia, temperature and how to…
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Cyanobacteria vs Algae: Why Spirulina Isn’t an Alga
Spirulina is a cyanobacterium, not an alga. What that means in biology, how the two groups differ and why the difference matters in practice.
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Safe Ways to Add Algae to a Tank: Dosing and Water Quality
How much live algae to add to an aquarium, how to do it safely, and the water quality signs that tell you to stop.
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How to Split and Scale Up an Algae Culture
A step-by-step method to turn a small starter into a larger culture: when to split, the dilution ratio, and how to avoid the common…
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Small-Scale Algae Production for a Hatchery
How a small hatchery or serious hobbyist produces algae on a schedule: culture stages, batch versus semi-continuous, and a weekly routine.
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How Chlorella Reproduces
Chlorella reproduces by autospores, not by splitting in two. One mother cell makes 2, 4, 8 or 16 daughters, which is why cultures grow…
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Small Habits That Make Algae Culturing Greener
Practical habits that cut waste in a home or small-scale algae culture: reusing medium, saving energy, cutting plastic and using what you harvest.
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Spirulina Culture Basics: Warmth, Light and Alkaline Water
The three things Spirulina needs: 30 to 35 degrees warmth, bright light and alkaline water. How to set up a simple culture and keep…
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How Spirulina Grows: Filaments and Trichomes
Spirulina grows as coiled filaments that lengthen and break. Here is what happens inside a culture, from one cell to a dense blue-green suspension.
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Why Microalgae Can Use Less Land Than Many Crops
Microalgae grow in tanks, ponds and tubes on land unsuitable for farming. Here is how their land and water use compares, and where the…
All guides
- What Is Phycocyanin? The Blue Pigment in Spirulina
- Harvesting Chlorella When Feeding Live Food
- Choosing the Right Container for an Algae Culture
- Chlorophyll in Algae: How Microalgae Capture Light
- Nutrients for Algae When Feeding Live Food
- Water for Algae Cultures: Tap, Spring or Distilled?
- Scaling Up Algae Cultures When Feeding Live Food
- Water for Spirulina Cultures When Feeding Live Food
- Green Water for Fry: A Simple Hobbyist Guide
- Live Feed vs Dry Feed for Fish Larvae
- Algae Cell Walls: Why Chlorella Is Tough to Break
- Daphnia and Algae: Raising Live Food at Home
- How to Harvest Algae From a Healthy Culture
- Harvesting Spirulina When Feeding Live Food
- The Growth Phases of an Algae Culture
- Green Water in Larval Rearing: What It Is and Why It’s Used
- Nutrients and Culture Media for Home Microalgae
- Recirculating Aquaculture Systems and Algae: What to Know
- Preventing Contamination in Home Algae Cultures
- Seeing Microalgae Under a Microscope
- Microalgae in Shellfish Hatcheries: Food for Oysters and Clams
- Temperature Control for Chlorella and Spirulina
- Spirulina vs Chlorella: Two Very Different Microalgae
- Feeding Filter Feeders in a Home Tank
- Why You Should Keep a Log of Your Algae Culture
- Why Aquarium Water Turns Green and What It Means
- Water Quality Basics in Microalgae-Fed Systems
- Cyanobacteria vs Algae: Why Spirulina Isn’t an Alga
- Safe Ways to Add Algae to a Tank: Dosing and Water Quality
- How to Split and Scale Up an Algae Culture
- Small-Scale Algae Production for a Hatchery
- How Chlorella Reproduces
- Small Habits That Make Algae Culturing Greener
- Spirulina Culture Basics: Warmth, Light and Alkaline Water
- How Spirulina Grows: Filaments and Trichomes
- Why Microalgae Can Use Less Land Than Many Crops
- Spirulina and Chlorella: A Plain-Language Introduction
- Choosing Microalgae for Live Feed: Size and Ease of Culture
- Live Algae Cultures vs Dried Algae Products
- Why Microalgae Are So Small and Why That Matters
- Feeding Rotifers With Chlorella
- How Microalgae Take Up Carbon Dioxide
- How to Tell if Your Algae Culture Is Healthy
- Culturing Live Food for Your Aquarium Fish