The app helps hot tub, spa, and pool owners calculate chemical doses for calcium, alkalinity, pH, sanitizer, and stabilizer. It also includes a water balancing feature to calculate the Langelier Saturation Index for system maintenance.
Sketch a floor using finger gestures on a smartphone or tablet. Assign measurements to each line for accurate scale representation. Visualize and document project details for planning purposes.
Calculate PPI by inputting screen dimensions and pixel count. Explain PPI vs DPI and dot pitch. Provide formulas and resolution categorization. Include definitions and user comments on related terms.
