ESS

Does the pH values of west lake effect biodiversity? Is the pH values of west lake suitable for biodiversity? __Equipment and Materials:__ Method: 10.Repeat steps 6 and 7
 * 1) __Research Question__
 * 5 100 ml beakers
 * 1 waterproof pH meter
 * 5 50 ml test tubes
 * 5 50 ml test tube samples of lake water
 * Packet of labels
 * Permanent Marker
 * 1) Collect 5 samples of lake water from 5 different locations around West Lake in 100ml beakers
 * 2) Label each location onto beakers using labels and a marker
 * 3) Return to lab
 * 4) Transfer one sample into 50ml test tube
 * 5) Insert pH meter probe and wait until value stabilizes
 * 6) Record reading on a table including location
 * 7) Rinse pH meter probe thoroughly with distilled water.
 * 8) Repeat steps 4-7 with remaining samples
 * 9) Test pH values of tap water, drinking water, and sprite to compare results with lake

__ Raw Data: __
 * Pure Water || 7 ||
 * UNIS Tap Water || 6.17 ||
 * UNIS Drinking Fountain || 5.50 ||
 * Sprite Can || 3.83 ||
 * Lac Long Quan Staircase || 8.59 ||
 * Lac Long Quan Dragons || 9.21 ||
 * Intercontinental || 8.86 ||
 * Dang Thai Mai || 8.83 ||
 * Sedona Suites || 8.53 ||
 * Sewer || 8.61 ||

__Conclusion:__ Most fish can tolerate pH values of about 5.0 to 9.0 •pH values varied from 8.53 – 9.21 with an average of 8.77 •pH values from the lake are basic/alkaline Soaps, detergents, bleach (cleaning agents in general) increase pH

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