Dosage is 1ml liquid/10 litres of water. Available in 100ml.
Dosage is 1g powder/100 litres of water. Available in 10g, 100g and 500g.
Tablets are available in packets of 40 or 10:
The packet of 40 tablets contain a lower mg per tablet with the dosage of 1 tablet to 1 litre.
The packet of 10 tablets contain a high mg per tablet with the dosage of 1 tablet to 10 litres.