diff --git a/collections/TOPAZ4_P1D_SICONC.yaml b/collections/TOPAZ4_P1D_SICONC.yaml
index c457b0f6..7ef5c129 100644
--- a/collections/TOPAZ4_P1D_SICONC.yaml
+++ b/collections/TOPAZ4_P1D_SICONC.yaml
@@ -23,7 +23,7 @@ Resources:
       End: "2022-12-31T00:00:00"
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/1,noClamp'
+      style: 'cmap:ice,range:0.001/1,noClamp'
 Legend: TOPAZ4_P1D_SICONC/cm_legend.png
 Image: TOPAZ4_P1D_SICONC/thumbnail.png
 
diff --git a/collections/TOPAZ4_P1D_SISNTHICK.yaml b/collections/TOPAZ4_P1D_SISNTHICK.yaml
index dd458075..5315cb5f 100644
--- a/collections/TOPAZ4_P1D_SISNTHICK.yaml
+++ b/collections/TOPAZ4_P1D_SISNTHICK.yaml
@@ -23,7 +23,7 @@ Resources:
       End: "2022-12-31T00:00:00"
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/1,noClamp'
+      style: 'cmap:ice,range:0.001/0.7,noClamp'
 Legend: TOPAZ4_P1D_SISNTHICK/cm_legend.png
 Image: TOPAZ4_P1D_SISNTHICK/thumbnail.png
 
diff --git a/collections/TOPAZ4_P1D_SITHICK.yaml b/collections/TOPAZ4_P1D_SITHICK.yaml
index 8b3bac44..abc5dfb3 100644
--- a/collections/TOPAZ4_P1D_SITHICK.yaml
+++ b/collections/TOPAZ4_P1D_SITHICK.yaml
@@ -23,7 +23,7 @@ Resources:
       End: "2022-12-31T00:00:00"
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/4,noClamp'
+      style: 'cmap:ice,range:0.001/4,noClamp'
 Legend: TOPAZ4_P1D_SITHICK/cm_legend.png
 Image: TOPAZ4_P1D_SITHICK/thumbnail.png
 
diff --git a/collections/TOPAZ5_P1D_SIAGE.yaml b/collections/TOPAZ5_P1D_SIAGE.yaml
index 1a6e7dd9..4df3f911 100644
--- a/collections/TOPAZ5_P1D_SIAGE.yaml
+++ b/collections/TOPAZ5_P1D_SIAGE.yaml
@@ -19,7 +19,7 @@ Resources:
     LayerId: ARCTIC_ANALYSISFORECAST_PHY_002_001/cmems_mod_arc_phy_anfc_6km_detided_P1D-m_202311/siage
     Dimensions:
       elevation: 0
-      style: 'cmap:viridis,range:1/1400,noClamp'
+      style: 'cmap:viridis,range:0.001/1800,noClamp'
 Legend: TOPAZ5_P1D_SIAGE/cm_legend.png
 Image: TOPAZ5_P1D_SIAGE/thumbnail.png
 
diff --git a/collections/TOPAZ5_P1D_SICONC.yaml b/collections/TOPAZ5_P1D_SICONC.yaml
index 9d18469e..a343fbb3 100644
--- a/collections/TOPAZ5_P1D_SICONC.yaml
+++ b/collections/TOPAZ5_P1D_SICONC.yaml
@@ -19,7 +19,7 @@ Resources:
     LayerId: ARCTIC_ANALYSISFORECAST_PHY_002_001/cmems_mod_arc_phy_anfc_6km_detided_P1D-m_202311/siconc
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/1,noClamp'
+      style: 'cmap:ice,range:0.001/1,noClamp'
 Legend: TOPAZ5_P1D_SICONC/cm_legend.png
 Image: TOPAZ5_P1D_SICONC/thumbnail.png
 
diff --git a/collections/TOPAZ5_P1D_SISNTHICK.yaml b/collections/TOPAZ5_P1D_SISNTHICK.yaml
index ccc48b9b..f256bd7e 100644
--- a/collections/TOPAZ5_P1D_SISNTHICK.yaml
+++ b/collections/TOPAZ5_P1D_SISNTHICK.yaml
@@ -19,7 +19,7 @@ Resources:
     LayerId: ARCTIC_ANALYSISFORECAST_PHY_002_001/cmems_mod_arc_phy_anfc_6km_detided_P1D-m_202311/sisnthick
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/1,noClamp'
+      style: 'cmap:ice,range:0.001/0.7,noClamp'
 Legend: TOPAZ5_P1D_SISNTHICK/cm_legend.png
 Image: TOPAZ5_P1D_SISNTHICK/thumbnail.png
 
diff --git a/collections/TOPAZ5_P1D_SITHICK.yaml b/collections/TOPAZ5_P1D_SITHICK.yaml
index 29427998..91e1c30c 100644
--- a/collections/TOPAZ5_P1D_SITHICK.yaml
+++ b/collections/TOPAZ5_P1D_SITHICK.yaml
@@ -19,7 +19,7 @@ Resources:
     LayerId: ARCTIC_ANALYSISFORECAST_PHY_002_001/cmems_mod_arc_phy_anfc_6km_detided_P1D-m_202311/sithick
     Dimensions:
       elevation: 0
-      style: 'cmap:ice,range:0/4,noClamp'
+      style: 'cmap:ice,range:0.001/4,noClamp'
 Legend: TOPAZ5_P1D_SITHICK/cm_legend.png
 Image: TOPAZ5_P1D_SITHICK/thumbnail.png