Put the tablet into the tank directly, the dosage and duration are listed in the table. Please take out the ornamental snails before use. Safe to aquatic plants, fish and shrimp.
1st day: snails will crawl up to the surface.
2nd day: snails become slow-moving.
3rd day: more than 90% snails could be removed and change 50% water.

Dosing
tank(cm)/litres(L)     Dose    Duration
30x18x20cm(11L)    1Tab     1Day
40x23x25cm(23L)    2Tabs   1Day
45x28x30cm(38L)    2Tabs   2Days
50x30x30cm(45L)    2Tabs   3Days
60x30x36cm(65L)    3Tabs   3Days
60x40x40cm(96L)    4Tabs   3Days
80x40x40cm(128L)  5Tabs   3Days
90x45x45cm(182L)  8Tabs   3Days
120x50x50cm(300L)12Tabs   3Days