sx230
Well-known member
ive been showing nitrate levels of 10ppm i started doing weekly 10% water changes to try and get undetected levels i whant to introduce sps coral in my bow front 47g tank keep healthy water conditons .in doing weekly water changes nitrates where still the same well today i went to my local pet store to purchase more water(ive been getting water from them for about 4yrs now)and decided to test there water on nitrate levels levels are the same as in my tank is this do to not filtering water properly?i just purchased hang on refugium to help whith nitrate and other benificial reasons.but all along some it came from local pet