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Guides, research and practical ideas on microalgae for people, pets, farms and the planet.
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Spirulina and Chlorella: A Plain-Language Introduction
What Spirulina and Chlorella are, how they differ, and where each is used, explained without jargon for beginners.
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Choosing Microalgae for Live Feed: Size and Ease of Culture
How to pick a microalga for feeding rotifers, Daphnia or larvae: cell size, digestibility, temperature range and how forgiving each one is to grow.
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Live Algae Cultures vs Dried Algae Products
Live starter cultures and dried algae powders are different products for different jobs. Here is how to pick the right one for your use.
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Why Microalgae Are So Small and Why That Matters
Microalgae are thousands of times smaller than a grain of sand. Size controls how fast they grow, what eats them and how you harvest…
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Feeding Rotifers With Chlorella
How to use live Chlorella as a daily feed for rotifers: how much to give, how to keep the culture stable, and what to…
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How Microalgae Take Up Carbon Dioxide
How microalgae turn CO2 into biomass, why culture pH rises as they grow, and what that means for the carbon story and for your…
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How to Tell if Your Algae Culture Is Healthy
Five quick checks for colour, smell, clarity, behaviour and growth, plus what a crashing culture looks like and what to do about it.
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Culturing Live Food for Your Aquarium Fish
Which live foods are worth culturing at home, how big each one is, and how to build a simple ladder from fry food to…
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