Link to my sale post for this stuff.... would rather sell locally and not ship. Local pickup takes $50 off the price or I'll throw in a free co2 tank or co2 regulator shown with local purchase at full price.
https://www.reef2reef.com/threads/geo-618-calcium-reactor-geo-618-kalkwasser-reactor.337047/
https://www.reef2reef.com/threads/geo-618-calcium-reactor-geo-618-kalkwasser-reactor.337047/