Cultivation Guides
Step-by-step help for growing, harvesting and keeping microalgae healthy at home or on a small scale.
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Choosing the Right Container for an Algae Culture
Glass jar, bottle or tank? How container shape, material and cleanliness affect how well your algae culture grows.
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Water for Algae Cultures: Tap, Spring or Distilled?
Does the water you use matter for algae? Compare tap, spring, filtered and distilled water and learn how to prepare it safely.
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How to Harvest Algae From a Healthy Culture
The four ways to harvest microalgae at home or small scale, from straining to settling, with what suits each species and what…
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Nutrients and Culture Media for Home Microalgae
What algae need to grow: nitrogen, phosphorus, trace minerals and carbon. Standard media, a simple home approach and how to spot a…
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Preventing Contamination in Home Algae Cultures
Most failed cultures are contaminated cultures. The sources, the warning signs and a short routine of clean habits that prevents nearly all…
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Temperature Control for Chlorella and Spirulina
Chlorella wants 25 to 30 degrees and Spirulina 30 to 35. Practical ways to heat, cool and measure a small culture without…
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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…
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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…
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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…
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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…