hi atom , is a must for a coil denitrator to be feed ? because i've diy a coil denitrator only the 1st few days i feed with sugerwater n i can get reading of nitrator @ 0 then i stop feeding it n it has run for about a 6mth n i still can get 0 nitrator .does it mean a coil denitrator can go without feeding or it feeding on something els ? i've tested my water reading ammonia , nitrite , nitrate all @ 0ppm & ph 7.0 .wc 1 two week .
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