Here is a pure granular elemental sulfur (sulphur), with sulfur reducing bacteria right on it. This product can be used in a number of ways, and accomplishes the same job of nitrate reduction as our NO-NO3®. This product is ideal ...
Korallin S-1502 Replacement Media After a running in time of approximately 3-4 weeks (for the bacteria to colonize the chamber) this unit will, for example, reduce 100 liters with 50mg NO3 to 0 in 3-4 days.
Comes with 1.6kg hig...