Temperature: Wild fish prefer lower temperatures but tank-bred specimens are happy over the range 72 to 77Â°F (22 to 25Â°C). It won't do well if kept in warmer water than this long-term, with the likelihood its lifespan will be reduced considerably. pH: 6.0 to 7.4.
Acid Test Ratio. The acid test ratio, sometimes called the quick ratio, is a liquidity ratio that measures a companys ability to pay off its current debts with only quick assets. Quick assets, sometimes called cash equivalents, are current assets that can be quickly and easily converted into cash in the current period.
Definition. 1  The Quick (aka acid) Ratio is used as a solvency metric to determine a firm's ability to pay down current liabilities with its cash, short term equivalents, and accounts receivables. This ratio was nicknamed quick to describe the quick assets needed to pay down any current liabilities.