diff --git a/DeathSocket/GridPainter.fs b/DeathSocket/GridPainter.fs
index b971df7..7b86272 100644
--- a/DeathSocket/GridPainter.fs
+++ b/DeathSocket/GridPainter.fs
@@ -45,7 +45,9 @@ namespace DeathSocket
                         | false -> drawBrushSpecGrid b
                     | RGBA r ->
                         validateIO r.originalPath r.savePath |> ignore
-                        drawRGBAGrid r // greyScale 
+                        match makeGreyScale with
+                        | true -> drawRGBAGridGrey r
+                        | false -> drawRGBAGrid r
                     | Skia s ->
                         validateIO s.originalPath s.savePath |> ignore
                         drawSkiaGrid s // greyScale
diff --git a/DeathSocket/ImageServices.fs b/DeathSocket/ImageServices.fs
index 8ea280b..78c234b 100644
--- a/DeathSocket/ImageServices.fs
+++ b/DeathSocket/ImageServices.fs
@@ -239,6 +239,23 @@
         clone.Save (spec.savePath)
 
     let drawRGBAGrid (spec: RGBASpec) =
+        use original = Bitmap.FromFile spec.originalPath
+        use temp = new Bitmap (original)
+        use clone =
+            temp.Clone (new Rectangle(0, 0, temp.Width, temp.Height), PixelFormat.Format32bppArgb)
+        use graphics = Graphics.FromImage(clone)
+        use pen = new Pen ((makeBrushFromRGBASpec spec), width = spec.penWidth)
+        graphics.DrawImage (original,new Rectangle(0, 0, clone.Width, clone.Height))
+        let horizontalLines =
+            createHorizontalLines (clone.Size.Width) (clone.Size.Height) (spec.rows)
+        let verticalLines =
+            createVerticalLines (clone.Size.Width) (clone.Size.Height) (spec.columns)
+        for line in horizontalLines do graphics.DrawLines (pen, line)
+        for line in verticalLines do graphics.DrawLines (pen, line)
+        clone.Save (spec.savePath)
+
+    let drawRGBAGridGrey (spec: RGBASpec) =
+        // THIS NEEDS REFACTORING TO CONVERT IMAGE TO GREYSCALE.
         use original = Bitmap.FromFile spec.originalPath
         use temp = new Bitmap (original)
         use clone =
diff --git a/DeathSocketCLI/Commands.fs b/DeathSocketCLI/Commands.fs
index 17ebe66..ba02549 100644
--- a/DeathSocketCLI/Commands.fs
+++ b/DeathSocketCLI/Commands.fs
@@ -55,7 +55,7 @@
         [<Description "Adds a grid to an image, using the specified parameters, and saves it.">]
         [<Usage
             "add-grid C:/orignal-image.png 10 5 2 red C:/new-image.png">]
-        let ``add-grid`` imgPath numRows numColumns pWidth colour newPath greyScale=
+        let ``add-grid`` imgPath numRows numColumns pWidth colour newPath greyScale =
             try
                 printfn "[INFO.] Adding grid to image..."
                 Brush (buildSpec imgPath numRows numColumns pWidth colour newPath)
@@ -87,10 +87,10 @@
         hosted alongside the repository on GitHub.
         URL: https://github.com/CraigOates/Death-Socket/wiki *)
 
-        let ad imgPath newPath = ``add-default`` imgPath newPath
+        let ad imgPath newPath greyScale = ``add-default`` imgPath newPath greyScale
 
-        let ag imgPath numRows numColumns pWidth colour newPath =
-            ``add-grid`` imgPath numRows numColumns pWidth colour newPath
+        let ag imgPath numRows numColumns pWidth colour newPath greyScale =
+            ``add-grid`` imgPath numRows numColumns pWidth colour newPath greyScale
 
         let lc () = ``list-colours`` ()