diff --git a/Test_GeoMAD_Landsat.ipynb b/Test_GeoMAD_Landsat.ipynb
index ba45edc..264a393 100644
--- a/Test_GeoMAD_Landsat.ipynb
+++ b/Test_GeoMAD_Landsat.ipynb
@@ -75,7 +75,7 @@
     "    dask_chunksize=dict(time=1, x=4096, y=4096),\n",
     "    odc_load_kwargs=dict(\n",
     "        fail_on_error=False,\n",
-    "        resolution=30,\n",
+    "        resolution=90,\n",
     "        # bands=[\"qa_pixel\", \"red\", \"green\", \"blue\", \"nir08\", \"swir16\", \"swir22\"],\n",
     "        groupby=\"solar_day\",\n",
     "        bands=[\"qa_pixel\", \"red\", \"green\", \"blue\"]\n",
@@ -102,6 +102,7 @@
     "# Set up a data processor\n",
     "processor = GeoMADLandsatProcessor(\n",
     "    scale_and_offset=False,\n",
+    "    harmonize_to_old=True,\n",
     "    geomad_options=dict(\n",
     "        work_chunks=(601, 601),\n",
     "        num_threads=10,\n",
@@ -238,7 +239,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.12"
+   "version": "3.11.6"
   }
  },
  "nbformat": 4,
diff --git a/Test_GeoMAD_Sentinel2.ipynb b/Test_GeoMAD_Sentinel2.ipynb
index 1dca30a..84e396b 100644
--- a/Test_GeoMAD_Sentinel2.ipynb
+++ b/Test_GeoMAD_Sentinel2.ipynb
@@ -33,7 +33,7 @@
    "outputs": [],
    "source": [
     "# Optionally set up a local dask cluster\n",
-    "client = start_local_dask(threads_per_worker=64, n_workers=2, mem_safety_margin=\"2GB\")\n",
+    "client = start_local_dask(threads_per_worker=64, n_workers=1, mem_safety_margin=\"2GB\")\n",
     "client.dashboard_link"
    ]
   },
@@ -51,9 +51,9 @@
     "# 111,24\n",
     "\n",
     "# Study site configuration\n",
-    "# item_id = \"63,20\"  # West viti levu\n",
+    "item_id = \"63,20\"  # West viti levu\n",
     "# item_id = \"65,22\"  # Near the anti-meridian\n",
-    "item_id = \"66,22\"  # Right of the anti-meridian\n",
+    "# item_id = \"66,22\"  # Right of the anti-meridian\n",
     "datetime = \"2023\"\n",
     "\n",
     "# And get the study site\n",
@@ -71,13 +71,13 @@
     "# Set up a data loader\n",
     "loader = Sentinel2OdcLoader(\n",
     "    epsg=3832,\n",
-    "    datetime=datetime,\n",
+    "    datetime=\"2023\",\n",
     "    dask_chunksize=dict(time=1, x=4096, y=4096),\n",
     "    odc_load_kwargs=dict(\n",
     "        fail_on_error=False,\n",
-    "        resolution=10,\n",
+    "        resolution=100,\n",
     "        # bands=[\"SCL\", \"B02\", \"B03\", \"B04\", \"B05\", \"B06\", \"B07\", \"B08\", \"B8A\", \"B11\", \"B12\"],\n",
-    "        bands=[\"SCL\", \"red\", \"green\", \"blue\"],\n",
+    "        bands=[\"SCL\", \"B04\", \"B03\", \"B02\"],\n",
     "        groupby=\"solar_day\",\n",
     "    ),\n",
     "    nodata_value=0,\n",
@@ -99,6 +99,7 @@
     "# Set up a data processor\n",
     "processor = GeoMADSentinel2Processor(\n",
     "    scale_and_offset=False,\n",
+    "    harmonize_to_old=True,\n",
     "    geomad_options=dict(\n",
     "        work_chunks=(601, 601),\n",
     "        num_threads=10,\n",
@@ -113,6 +114,35 @@
     "output_data"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "output_data.B04.plot.imshow()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "output_data.odc.to_rgba(bands=[\"B04\", \"B03\", \"B02\"], vmin=0, vmax=3000).odc.explore()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import xarray as xr\n",
+    "\n",
+    "xr.__version__"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
diff --git a/requirements.txt b/requirements.txt
index 261ca27..83dbe4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 typer
-git+https://github.com/digitalearthpacific/dep-tools.git@05b13b2
+git+https://github.com/digitalearthpacific/dep-tools.git@rename-s2-offset-to-harmonize
 git+https://github.com/opendatacube/odc-algo.git@57316a8
 odc-stac==0.3.8
 
diff --git a/src/run_task.py b/src/run_task.py
index 4021c02..99e8421 100644
--- a/src/run_task.py
+++ b/src/run_task.py
@@ -50,6 +50,7 @@ def __init__(
         self,
         send_area_to_processor: bool = False,
         scale_and_offset: bool = False,
+        harmonize_to_old: bool = True,
         mask_clouds: bool = True,
         load_data_before_writing: bool = True,
         geomad_options: dict = {
@@ -67,6 +68,8 @@ def __init__(
             mask_clouds,
             mask_clouds_kwargs={"filters": filters, "keep_ints": keep_ints},
         )
+        self.scale_and_offset = scale_and_offset
+        self.harmonize_to_old = harmonize_to_old
         self.load_data_before_writing = load_data_before_writing
         self.geomad_options = geomad_options
         self.drop_vars = drop_vars
@@ -195,7 +198,8 @@ def main(
 
     log.info("Configuring processor")
     processor = ProcessorClass(
-        scale_and_offset=False,
+        scale_and_offset=False,  # Don't want to work with floats
+        harmonize_to_old=True,  # This only applies to S-2
         filters=[("closing", 5), ("opening", 5)],
         keep_ints=True,
         load_data_before_writing=True,