I curRently need some advice ! I have moved from Louisiana to United Kingdom and once again started up a small 55 gall reef! So I ordered a nyos kit for alk and cal already had mag abd my test result was 27 drops for alk and for cal a full syringe ! Now I don’t know about you I don’t think they can both be that high that defies nature lol ! Now my nitrates are 3 which I’m happy with! Can one of you wise gent lemen enlighten me to might cause this or do I need to go back to salifert