diff --git a/doGui.go b/doGui.go
index 3b3c350..8707c32 100644
--- a/doGui.go
+++ b/doGui.go
@@ -21,7 +21,7 @@ func refresh() {
 		log.Info("zookeeper scan here")
 	}
 	if me.zood != nil {
-		me.zood.doMachinesUpgradeTable(me.machines)
+		// me.zood.doMachinesUpgradeTable(me.machines)
 		all := me.machines.All()
 		for all.Scan() {
 			m := all.Next()
@@ -32,6 +32,7 @@ func refresh() {
 				me.zood.versionL.SetText(v)
 			}
 		}
+		me.zood.refresh()
 	}
 }
 
diff --git a/windowZood.go b/windowZood.go
index 258153a..2719e3a 100644
--- a/windowZood.go
+++ b/windowZood.go
@@ -22,6 +22,7 @@ type stdTableWin struct {
 	version   string                 // the current zood version
 	versionL  *gui.Node              // label widget to display the current zood version
 	outOfDate *gui.Node              // checkbox to only show out of date droplets
+	showAll   *gui.Node              // show everything in the zoo
 	update    bool                   // if the window should be updated
 }
 
@@ -52,10 +53,12 @@ func makeZoodWin() *stdTableWin {
 	})
 
 	grid.NewButton("refresh", func() {
-		refresh()
+		stdw.refresh()
 	})
 
 	stdw.versionL = grid.NewLabel("scan")
+	stdw.outOfDate = grid.NewCheckbox("out of date")
+	stdw.showAll = grid.NewCheckbox("all")
 	grid.NewButton("show out of date", func() {
 		found := zoopb.NewMachines()
 		all := me.machines.All()
@@ -77,10 +80,18 @@ func makeZoodWin() *stdTableWin {
 
 func (stdw *stdTableWin) refresh() {
 	if stdw.outOfDate.Checked() {
+		log.Info("refresh() showing out of date zoo")
 		found := zoopb.NewMachines()
 		all := me.machines.All()
 		for all.Scan() {
 			m := all.Next()
+			if !stdw.showAll.Checked() {
+				// skip non-active zoo members
+				mtime := m.Laststamp.AsTime()
+				if time.Since(mtime) > 10*time.Hour {
+					continue
+				}
+			}
 			if m.FindVersion("zood") != me.zood.version {
 				found.Append(m)
 			}
@@ -88,9 +99,25 @@ func (stdw *stdTableWin) refresh() {
 		stdw.doMachinesUpgradeTable(found)
 		return
 	}
+	if stdw.showAll.Checked() {
+		log.Info("refresh() showing everything in zoo")
+		stdw.doMachinesUpgradeTable(me.machines)
+		return
+	}
 
-	// show all droplets
-	stdw.doMachinesUpgradeTable(me.machines)
+	log.Info("refresh() only show active zoo")
+	found := zoopb.NewMachines()
+	all := me.machines.All()
+	for all.Scan() {
+		m := all.Next()
+		mtime := m.Laststamp.AsTime()
+		// now := time.Now()
+		if time.Since(mtime) > 10*time.Hour {
+			continue
+		}
+		found.Append(m)
+	}
+	stdw.doMachinesUpgradeTable(found)
 }
 
 func (zood *stdTableWin) doMachinesUpgradeTable(pb *zoopb.Machines) {