diff --git a/src/loci/formats/S3FileSystemStore.java b/src/loci/formats/S3FileSystemStore.java
index 2d5a40f..5ba521b 100644
--- a/src/loci/formats/S3FileSystemStore.java
+++ b/src/loci/formats/S3FileSystemStore.java
@@ -33,7 +33,6 @@
 import com.bc.zarr.ZarrUtils;
 import com.bc.zarr.storage.Store;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -88,8 +87,8 @@ public String getRoot() {
     }
 
     private void setupClient() {
-      String[] pathSplit = root.toString().split(File.separator);
-      String endpoint = ENDPOINT_PROTOCOL + pathSplit[1] + File.separator;
+      String[] pathSplit = root.toString().split("/");
+      String endpoint = ENDPOINT_PROTOCOL + pathSplit[1] + "/";
       try {   
         client = AmazonS3ClientBuilder.standard()
           .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(endpoint, "auto"))
@@ -115,11 +114,11 @@ public S3FileSystemStore(Path rootPath) {
     @Override
     public InputStream getInputStream(String key) throws IOException {
         // Get the base bucket name from splitting the root path and removing the prefixed protocol and end-point
-        String[] pathSplit = root.toString().split(File.separator);
+        String[] pathSplit = root.toString().split("/");
         String bucketName =  pathSplit[2];
         
         // Append the desired key onto the remaining prefix
-        String key2 = root.toString().substring(root.toString().indexOf(pathSplit[3]), root.toString().length()) + File.separator + key;
+        String key2 = root.toString().substring(root.toString().indexOf(pathSplit[3]), root.toString().length()) + "/" + key;
 
         try {   
           S3Object o = client.getObject(bucketName, key2);
@@ -201,7 +200,7 @@ private TreeSet<String> getKeysFor(String suffix) throws IOException {
       TreeSet<String> keys = new TreeSet<String>();
 
       // Get the base bucket name from splitting the root path and removing the prefixed protocol and end-point
-      String[] pathSplit = root.toString().split(File.separator);
+      String[] pathSplit = root.toString().split("/");
       String bucketName =  pathSplit[2];
       
       // Append the desired key onto the remaining prefix
diff --git a/src/loci/formats/in/ZarrReader.java b/src/loci/formats/in/ZarrReader.java
index bf8822f..22dc3bc 100644
--- a/src/loci/formats/in/ZarrReader.java
+++ b/src/loci/formats/in/ZarrReader.java
@@ -111,6 +111,7 @@ public class ZarrReader extends FormatReader {
   private boolean planesPrePopulated = false;
   private boolean hasSPW = false;
   private transient int currentOpenZarr = -1;
+  private String zarrRootPath;
 
   public ZarrReader() {
     super("Zarr", "zarr");
@@ -181,8 +182,7 @@ protected void initFile(String id) throws FormatException, IOException {
     final MetadataStore store = makeFilterMetadata();
     Location zarrFolder = new Location(id);
     String zarrPath = zarrFolder.getAbsolutePath();
-    String zarrRootPath = zarrPath.substring(0, zarrPath.indexOf(".zarr") + 5);
-    String name = zarrRootPath.substring(zarrRootPath.lastIndexOf(File.separator)+1, zarrRootPath.length() - 5);
+    this.zarrRootPath = zarrPath.substring(0, zarrPath.indexOf(".zarr") + 5);
     Location omeMetaFile = new Location( zarrRootPath + File.separator + "OME", "METADATA.ome.xml" );
     String canonicalPath = new Location(zarrRootPath).getCanonicalPath();
 
@@ -456,7 +456,6 @@ private static int[] getOriginalShape(int [] shape5D, int size) {
   @Override
   public void reopenFile() throws IOException {
     try {
-      String canonicalPath = new Location(currentId).getCanonicalPath();
       initializeZarrService();
     }
     catch (FormatException e) {
@@ -465,7 +464,7 @@ public void reopenFile() throws IOException {
   }
 
   protected void initializeZarrService() throws IOException, FormatException {
-    zarrService = new JZarrServiceImpl(altStore());
+    zarrService = new JZarrServiceImpl(zarrRootPath);
     openZarr();
   }
 
@@ -779,16 +778,6 @@ private void parsePlate(Map<String, Object> attr, String root, String key, Metad
         }
       }
       
-//      TODO: Likely remove as values unused
-//      for (int c = 0; c < columns.size(); c++) {
-//        Map<String, Object> column = (Map<String, Object>) columns.get(c);
-//        String colName = (String) column.get("name");
-//      }
-//      for (int r = 0; r < rows.size(); r++) {
-//        Map<String, Object> row = (Map<String, Object>) rows.get(r);
-//        String rowName = (String) row.get("name");
-//      }
-      
       //Create empty wells for each row and column
       wellCount  = rows.size() * columns.size();
       for (int r = 0; r < rows.size(); r++) {
diff --git a/src/loci/formats/services/JZarrServiceImpl.java b/src/loci/formats/services/JZarrServiceImpl.java
index 732b8c2..b8b3ea2 100644
--- a/src/loci/formats/services/JZarrServiceImpl.java
+++ b/src/loci/formats/services/JZarrServiceImpl.java
@@ -32,14 +32,9 @@
  */
 
 import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.nio.ByteOrder;
-import java.nio.file.FileSystem;
-import java.nio.file.FileSystems;
-import java.nio.file.Path;
+
 import java.nio.file.Paths;
-import java.text.MessageFormat;
 import java.util.Map;
 import java.util.Set;
 
@@ -80,14 +75,8 @@ public class JZarrServiceImpl extends AbstractService
    */
   public JZarrServiceImpl(String root) {
       checkClassDependency(com.bc.zarr.ZarrArray.class);
-      if (root != null && (root.toLowerCase().contains("s3:") || root.toLowerCase().contains("s3."))) {
-        String[] pathSplit = root.toString().split(File.separator);
-        if (S3FileSystemStore.ENDPOINT_PROTOCOL.contains(pathSplit[0].toLowerCase())) {
+      if (root != null && (root.matches("^https?:.*") || root.matches("^s3:.*"))) {
           s3fs = new S3FileSystemStore(Paths.get(root));
-        }
-        else {
-          LOGGER.warn("Zarr Reader is not using S3FileSystemStore as this is currently for use with S3 configured with a https endpoint");
-        }
       }
   }
 
diff --git a/src/loci/formats/services/ZarrService.java b/src/loci/formats/services/ZarrService.java
index 13b6c3a..ccc1ac2 100644
--- a/src/loci/formats/services/ZarrService.java
+++ b/src/loci/formats/services/ZarrService.java
@@ -36,7 +36,6 @@
 import loci.common.services.Service;
 import loci.formats.FormatException;
 import loci.formats.meta.MetadataRetrieve;
-import loci.formats.services.ZarrService.Compression;
 
 public interface ZarrService extends Service {
   
diff --git a/test/loci/formats/utests/JZarrServiceImplTest.java b/test/loci/formats/utests/JZarrServiceImplTest.java
index 220b223..0b617b3 100644
--- a/test/loci/formats/utests/JZarrServiceImplTest.java
+++ b/test/loci/formats/utests/JZarrServiceImplTest.java
@@ -1,4 +1,4 @@
-package test.loci.formats.utests;
+package loci.formats.utests;
 
 /*-
  * #%L
diff --git a/test/loci/formats/utests/ZarrReaderMock.java b/test/loci/formats/utests/ZarrReaderMock.java
index bc0cd23..7bd38f8 100644
--- a/test/loci/formats/utests/ZarrReaderMock.java
+++ b/test/loci/formats/utests/ZarrReaderMock.java
@@ -1,4 +1,4 @@
-package test.loci.formats.utests;
+package loci.formats.utests;
 
 /*-
  * #%L
diff --git a/test/loci/formats/utests/ZarrReaderTest.java b/test/loci/formats/utests/ZarrReaderTest.java
index 7c45fe1..7b3ac76 100644
--- a/test/loci/formats/utests/ZarrReaderTest.java
+++ b/test/loci/formats/utests/ZarrReaderTest.java
@@ -1,4 +1,4 @@
-package test.loci.formats.utests;
+package loci.formats.utests;
 
 /*-
  * #%L