No
Yes if you went to the link in my post. [emoji3]
http://www.dymico.com/index.php
No water changes
DyMiCo efficiently removes waste products such as ammonia, ammonium, nitrite, nitrate and phosphate.
No additives
DyMiCo also releases calcium, magnesium, bicarbonate and trace elements to ensure vigorous coral growth and attractive coloration.
Suitable for most aquaria
Two versions are available, with a capacity of 700 and 2000 liters of system volume. A model for 3000 liter volume is in development.