Always Soluble:

• SNAP Ions

  • Sodium

  • Nitrates

  • Ammonium

  • Potassium

• NAG-SAG

  • Nitrates

  • Acetates

  • Group 1

  • Sulfates

  • Ammonium

  • Group 17

• Castro Bear

  • Calcium (Ca²⁺)

  • Strontium (Sr²⁺)

  • Barium (Ba²⁺)

Exceptions:

• PMS

  • Pb²⁺, lead

  • Mercury, Hg²⁺

  • Silver, Ag⁺