What in the world is HR and LR?? will someone help please.
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FernBluffReef
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High range (HR) vs Low range (LR). For Nitrates on a reef tank you want the High range.
When you get to looking a phosphates. They also make a high range and low range. For Phosphates on a reef tank you want the Low range
When you get to looking a phosphates. They also make a high range and low range. For Phosphates on a reef tank you want the Low range
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