A ph may pertain-to an (ocean surface).Logical formLearned from1 sentences. A ph of an (ocean surface) may decline.Logical formLearned from1 sentences. Ingredients can be with a ph.Logical formLearned from1 sentences. A ph of wines may vary.Logical formLearned from1 sentences. A person may measure a (soil ph).Logical formLearned from1 sentences. Stress may alter a ph.Logical formLearned from1 sentences. A color of a hydrangea may be affected by (soil ph).Logical formLearned from1 sentences. Use of lime may drive high a ph.Logical formLearned from1 sentences. A next year may come for a (ph meter).Logical formLearned from1 sentences. Violets can be tolerant of ph.Logical formLearned from1 sentences. Higher levels of ph may leave (calcium deposits) on machinery.Logical formLearned from1 sentences. (Body ph) can be key.Logical formLearned from1 sentences. A test may include a measure of a ph.Logical formLearned from1 sentences. A measure may pertain-to a ph.Logical formLearned from1 sentences. Ph may measure (hydrogen ions).Logical formLearned from1 sentences.