diff --git a/pickles_metric b/pickles_metric
index 3b1c2c8..efe649e 100644
--- a/pickles_metric
+++ b/pickles_metric
@@ -1,5 +1,5 @@
 4 litre water	
-200g Salt
+200g Salt /190 if 1 gal
 18-20 Kirby cucumbers, scrubbed
 8 cloves garlic unpeeled and lightly-crushed
 2 tablespoons pickling spice (see links below)