Cul­tur­ing in­fu­so­ria

Practical Fishkeeping (UK) - - Community fish -

In­fu­so­ria is a mix­ture of tiny, usu­ally sin­gle-celled or­gan­isms like al­gae and Parame­cium. It’s a won­der­ful food, and you can make it at short no­tice at home.to grow it, you’ll need a jar (clear in colour) some tank wa­ter (or flower vase wa­ter if you have some handy) some kitchen scraps and a win­dowsill.

Half to three-quar­ter fill the jar with aquar­ium wa­ter (never use un­treated tap­wa­ter for this — the chlo­rine is present to stop the likes of in­fu­so­ria from grow­ing). Into that place a gen­er­ous slice of cab­bage, let­tuce, cour­gette, sprout, spinach, or what­ever else you have. I’ve al­ways used leafy greens with good ef­fect.

Pop a piece of cloth on the top of the jar and seal with an elas­tic band, and place the jar some­where bright but not in di­rect sun­light (I’d just end up with a green jar when I did). I al­ways used an ob­scured kitchen win­dowsill.

Over the next few days the wa­ter in the jar will turn cloudy. This is a bac­te­rial bloom, and en­tirely nec­es­sary to the process. Your in­fu­so­ria is not yet ready, though! The jar may be­come a lit­tle stinky at this point.

After seven or eight days, the wa­ter in the jar will clear, or some­times turn a pink colour. This is a sure­fire sign that in­fu­so­ria has started to grow and is us­ing the bac­te­ria bloom as a food source.

Look in to the jar and at this point you should see a fine, mov­ing dust. That’s your in­fu­so­ria, ready to go! Add as much as is needed with a pipette, and use this cul­ture to help kick­start other cul­tures.

This wa­ter will be teem­ing with tiny live food in just a few days.

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