At AquaCave, we offer some of the best selection & best prices on
Sera CO2 system for planted aquariums
for you marine, reef, and freshwater aquarium.
Carbon dioxide (CO2) is the basic nutrient for plants. A well-dosed addition of CO2 also allows you to adjust the water to a slightly acidic pH range, which is preferred by most plants and fish kept in aquariums. sera start, our economically priced CO2 fertilization system requires no gas bottle, and is easy-to-install and convenient to use.