diff --git a/content/Secret Garden.md b/content/Secret Garden.md
index cd6d5e6..6ac7a67 100644
--- a/content/Secret Garden.md	
+++ b/content/Secret Garden.md	
@@ -18,6 +18,9 @@ The garden uses nutrient film technique (NFT) to continuously deliver a shallow
 
 ![[nft1.png]]
 
+The nutrients are kept in a reservoir underneath the towel, which helps block light and limit [[Algae Growth|algae growth]]:
+
+![[nft2.jpg]]
 ## Previous Garden
 
 My previous system [[Helios Alpha]] could grow up to six plants. It's designed around a single 102 L plastic tote. It holds enough water to harvest lettuce once before refilling. After the initial setup, the system can be ignored for weeks.