diff --git a/src/ImageSharp/Image/PixelAccessor{TPixel}.cs b/src/ImageSharp/Image/PixelAccessor{TPixel}.cs
index fca57b3c8..50e65a082 100644
--- a/src/ImageSharp/Image/PixelAccessor{TPixel}.cs
+++ b/src/ImageSharp/Image/PixelAccessor{TPixel}.cs
@@ -52,10 +52,11 @@ namespace SixLabors.ImageSharp
         /// <summary>
         /// Initializes a new instance of the <see cref="PixelAccessor{TPixel}"/> class.
         /// </summary>
+        /// <param name="memoryManager">The <see cref="MemoryManager"/> to use for buffer allocations.</param>
         /// <param name="width">The width of the image represented by the pixel buffer.</param>
         /// <param name="height">The height of the image represented by the pixel buffer.</param>
-        public PixelAccessor(int width, int height)
-            : this(width, height, Configuration.Default.MemoryManager.Allocate2D<TPixel>(width, height, true), true)
+        public PixelAccessor(MemoryManager memoryManager, int width, int height)
+            : this(width, height, memoryManager.Allocate2D<TPixel>(width, height, true), true)
         {
         }
 
diff --git a/src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor.cs b/src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor.cs
index b85432ac5..2e2f5e3a6 100644
--- a/src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor.cs
@@ -56,7 +56,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int maxY = endY - 1;
             int maxX = endX - 1;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(source.Width, source.Height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, source.Width, source.Height))
             {
                 source.CopyTo(targetPixels);
 
diff --git a/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor.cs b/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor.cs
index 362fa5c50..e79a6cf27 100644
--- a/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor.cs
@@ -47,7 +47,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int height = source.Height;
             ParallelOptions parallelOptions = configuration.ParallelOptions;
 
-            using (var firstPassPixels = new PixelAccessor<TPixel>(width, height))
+            using (var firstPassPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             using (PixelAccessor<TPixel> sourcePixels = source.Lock())
             {
                 this.ApplyConvolution(firstPassPixels, sourcePixels, source.Bounds(), this.KernelX, parallelOptions);
diff --git a/src/ImageSharp/Processing/Processors/Convolution/ConvolutionProcessor.cs b/src/ImageSharp/Processing/Processors/Convolution/ConvolutionProcessor.cs
index c0d3fdcfe..da64a970e 100644
--- a/src/ImageSharp/Processing/Processors/Convolution/ConvolutionProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Convolution/ConvolutionProcessor.cs
@@ -45,7 +45,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int maxY = endY - 1;
             int maxX = endX - 1;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(source.Width, source.Height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, source.Width, source.Height))
             {
                 source.CopyTo(targetPixels);
 
diff --git a/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor.cs b/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor.cs
index b22a49798..af2c29759 100644
--- a/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor.cs
@@ -65,7 +65,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int radius = this.BrushSize >> 1;
             int levels = this.Levels;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(source.Width, source.Height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, source.Width, source.Height))
             {
                 source.CopyTo(targetPixels);
 
diff --git a/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs
index 2657daaa8..556874586 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs
@@ -44,7 +44,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int minX = Math.Max(this.CropRectangle.X, sourceRectangle.X);
             int maxX = Math.Min(this.CropRectangle.Right, sourceRectangle.Right);
 
-            using (var targetPixels = new PixelAccessor<TPixel>(this.CropRectangle.Width, this.CropRectangle.Height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, this.CropRectangle.Width, this.CropRectangle.Height))
             {
                 Parallel.For(
                     minY,
diff --git a/src/ImageSharp/Processing/Processors/Transforms/FlipProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/FlipProcessor.cs
index de60177f2..f52bc97c1 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/FlipProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/FlipProcessor.cs
@@ -58,7 +58,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int height = source.Height;
             int halfHeight = (int)Math.Ceiling(source.Height * .5F);
 
-            using (var targetPixels = new PixelAccessor<TPixel>(width, height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             {
                 Parallel.For(
                     0,
@@ -92,7 +92,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int height = source.Height;
             int halfWidth = (int)Math.Ceiling(width * .5F);
 
-            using (var targetPixels = new PixelAccessor<TPixel>(width, height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             {
                 Parallel.For(
                     0,
diff --git a/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
index 86a0c7360..ddacf219b 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs
@@ -48,7 +48,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             Matrix3x2 matrix = this.GetCenteredMatrix(source, this.processMatrix);
             Rectangle sourceBounds = source.Bounds();
 
-            using (var targetPixels = new PixelAccessor<TPixel>(width, height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             {
                 Parallel.For(
                     0,
@@ -159,7 +159,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int width = source.Width;
             int height = source.Height;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(height, width))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, height, width))
             {
                 using (PixelAccessor<TPixel> sourcePixels = source.Lock())
                 {
@@ -193,7 +193,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int width = source.Width;
             int height = source.Height;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(width, height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             {
                 Parallel.For(
                     0,
@@ -224,7 +224,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             int width = source.Width;
             int height = source.Height;
 
-            using (var targetPixels = new PixelAccessor<TPixel>(height, width))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, height, width))
             {
                 Parallel.For(
                     0,
diff --git a/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
index 316e2a2af..9f6f1d17d 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs
@@ -47,7 +47,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             Matrix3x2 matrix = this.GetCenteredMatrix(source, this.processMatrix);
             Rectangle sourceBounds = source.Bounds();
 
-            using (var targetPixels = new PixelAccessor<TPixel>(width, height))
+            using (var targetPixels = new PixelAccessor<TPixel>(configuration.MemoryManager, width, height))
             {
                 Parallel.For(
                     0,
diff --git a/src/ImageSharp/Quantizers/Quantize.cs b/src/ImageSharp/Quantizers/Quantize.cs
index 296f4192d..11494a867 100644
--- a/src/ImageSharp/Quantizers/Quantize.cs
+++ b/src/ImageSharp/Quantizers/Quantize.cs
@@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp
                 QuantizedImage<TPixel> quantized = quantizer.Quantize(img.Frames.RootFrame, maxColors);
                 int palleteCount = quantized.Palette.Length - 1;
 
-                using (var pixels = new PixelAccessor<TPixel>(quantized.Width, quantized.Height))
+                using (var pixels = new PixelAccessor<TPixel>(source.GetMemoryManager(), quantized.Width, quantized.Height))
                 {
                     Parallel.For(
                         0,