Grotek pH Test Papers Grotek Sale! from $15.95 CAD Title Grotek pH Test Papers Qty. Add to Cart Inventory on handShips within 24hours Mon-Fri This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Features: • Litmus paper• Determines pH value without use of a meter• pH range from 5.5 to 8.0 SKU: 210000005886 Tweet