Home > Cart Remove item Thumbnail image Product Price Quantity Subtotal × Grotek TDS 1000ppm Solution $8.95 Grotek TDS 1000ppm Solution quantity $17.90 × Square Top Pot - 3.5 x 3.5 x 5 $0.36 Square Top Pot - 3.5 x 3.5 x 5 quantity $0.36 Update cart Cart totals Subtotal $18.26 Shipping Calculate shipping Country / region: Select a country / region… CanadaUnited States (US) State / County: Select an option… AlbertaBritish ColumbiaManitobaNew BrunswickNewfoundland and LabradorNorthwest TerritoriesNova ScotiaNunavutOntarioPrince Edward IslandQuebecSaskatchewanYukon Territory City: Postcode / ZIP: Update GST (5%) $0.92 PST (7%) $1.28 Total $20.46 Proceed to checkout