For growers who know the chemistry. You bring the nutrients, we bring the life.
This is the culture-only option. Half a litre of active, lab-verified spirulina — vibrant, healthy, and ready to establish in your tank. If you already know how to formulate your own starter nutrient mix, or you’ve got nutrients on hand from a previous grow, this gets you started without paying for what you don’t need.
What’s in the box
- 500ml Live Spirulina Culture — purity verified, packed fresh
- Step-by-Step Growing Manual — setup, maintenance, harvesting, troubleshooting
- Replacement Culture Guarantee — if it doesn’t arrive thriving, we replace it
- Direct email support — stuck? We actually answer
Why buy Australian
Imported cultures get seized by quarantine or die in transit. We ship express from Perth — no biosecurity paperwork, no roulette. You get a living culture that arrives ready to work, not a vial of regret.
Why fresh beats powder every time
Live spirulina retains 100% of its phycocyanin, B vitamins, and antioxidants — nutrients that degrade within hours of processing. The taste is mild and smooth, not gritty and fishy. And at a few minutes of care per day, it’s the lowest-effort superfood you’ll ever produce.
The Grower Who Made Mistakes
“I killed my first culture. Overheated it. Ken didn’t just send me a replacement — he spent 20 minutes on email figuring out exactly what went wrong and how to prevent it. Second culture is booming. I’m harvesting 30ml a day, enough for both my partner and I. The after-sales support is honestly worth more than the product itself.”
— David R., Perth
Frequently Asked Questions
How much spirulina will this make? 500ml is a robust starter volume. Once established in your tank and given proper nutrients, it’ll multiply rapidly. Most growers can move up to a 100 litre working volume within 5 – 6 weeks.
What if my culture dies in transit? Express shipping is included to prevent this. If your culture arrives unhealthy, we’ll replace it. We’ve shipped hundreds of cultures across Australia with a near-perfect arrival rate.
Does this include nutrients? No — this is the culture only. You’ll need your own starter nutrient formulation. If you want nutrients included, see our 500ml Live Spirulina Culture & Fast Grow Starter Nutrient Pack.
How long until I can start harvesting? You can start increasing your culture immediately. First proper harvests usually happen around week 5-6, depending on what working volume you decide to go for, nutrient mix, light, and temperature.
Do I need special equipment? A clear container, an aquarium air pump + tubes, and an aquarium heater if you are growing in cold conditions. We outline setup options in the manual.
How much daily care does this need? Less than five minutes. You check the basic conditions. Check that the bubbler tubes are affixed and the bubbles are doing their job, top up for evaporation, check on color and temperature.
What does fresh spirulina taste like? Nothing like powder. Fresh spirulina is smooth, mild, and slightly earthy — easy to blend into smoothies or juice. The “fishy” reputation comes from degraded, oxidised powder.
Ready to start growing?
Add to cart now and we’ll express ship your living culture from Perth. Questions before you buy? Email us — we actually answer.
