How to culture daphnia (moina) at home
Start and keep a daphnia (moina) culture in a bucket or tub: warm water, feeding with green water or yeast, harvesting, and why you must always keep a backup culture.
Care guides
Keep your cultures alive for months
Every culture we sell is set up exactly this way. Short, practical guides — no fluff, and each one links to the starter culture if you need one (or yours crashed).
Culture guides
How to culture microworms & banana worms
Microworms and banana worms on an oats medium: tub setup, harvesting from the walls, restarting before cultures sour, and which worm suits which fry.
How to culture grindal worms
Grindal worms in coir or sponge at room temperature: box setup, feeding under a glass plate, clean harvesting, and avoiding smelly, crashed cultures.
How to culture blackworms at home
Culture blackworms in a shallow tray at room temperature: water depth, paper or gravel substrate, feeding, water changes, harvesting, and why heat — not cold — is what kills them.
How to culture vinegar eels (on oats — no vinegar)
Our vinegar eels are cultured on oats, exactly like microworms — no vinegar, no bottle. Tub setup, harvesting from the walls, restarting tubs, and why fry love a food that swims for hours.
What to feed fish fry first: a size-by-size guide
Infusoria, vinegar eels, banana worms, microworms, baby daphnia or brine shrimp? Match your fry’s first food to its mouth size with this practical guide.
Advice & know-how
The thinking side of the culture shelf: what you are actually buying, why cultures crash, and the comparisons and seasonal tricks that keep them alive. Written from our own tubs in the Western Cape.
Daphnia vs moina: what you are actually buying in South Africa
Most “daphnia” sold in South Africa is actually moina. The real differences — size, temperature, breeding speed — and why moina is often the better fish food anyway.
Why did my daphnia (moina) culture crash? 7 causes and fixes
Your daphnia or moina culture was thriving and then it was gone. The 7 usual causes — overfeeding, heat, cold, age, water, harvesting and the missing backup tub — and how to fix each.
How to make green water at home (South African sun edition)
Green water is the best daphnia and moina food there is — and in South Africa the sun does most of the work. Three reliable ways to make it, how to keep it, and how to feed with it.
Microworms vs baby brine shrimp: which fry food is actually better?
Baby brine shrimp has the reputation; microworms have the culture tub. An honest comparison for fry breeders: nutrition, size, cost, effort, and when each one wins.
Keeping cultures alive in winter (and through loadshedding)
Cold rooms stall moina, power cuts stop air pumps, and winter is when cultures quietly die. How South African keepers keep daphnia, worm and eel cultures going all year.