The product use new formula and technology, 100% Carbon dioxide tablet is free from toxin, pollutions and suspended substance. It release carbon dioxide slowly into the water, supply plants right amount of carbon dioxide and do not affect the fish absolutely. It will help your aquatic plants to thrive.
NOTE: This tablet doesn't release bubble in the water. It will just melt slowly, and release CO2
Every 20L water use 1 tablet.
2 times / week.