DSR EZ-Calcium, kalsium ja strontiumlisä DSR The EZ-DSR program is a easy to use method with 4 instant dosing solutions. The EZ-Buffer EZ Calcium EZ Trace can be initiated at a fixed ratio of 5:1:(0,5). The EZ-Carbon solution decreases PO4 and NO3 very efficiently. €10.90 Price 0 Review(s) 500ml 1000ml 5000ml 10l Pakkauskoko 500ml 1000ml 5000ml 10l