500ml live L strain rotifers $12.
20g dry feed $6 powdery form.
For 2litre cultured water, add 1g Once every 10-14days.
20g additive $6 powdery form.
For 2litre cultured water, add 5g every 3-6months. They take months to dissolve. These are essential for rotifers. No water changed is required once added