Add note about algae growth

content/Algae Growth.md

@@ -0,0 +1,8 @@
+Title: Algae Growth
+Date: 2023-03-11
+Category: Notes
+Summary: Prevent hydroponic algae from growing by blocking light to any nutrient solution.
+
+Algae will grow anywhere light is able to touch hydroponic nutrient solution. This won't be a problem if the solution is regularly flushed. In Kratky systems the algae will compete for resources with your plants and grow exponentially.
+
+The solution is to prevent light from reaching the solution by using dark containers and covering exposed parts with and opaque material such as aluminium foil.

content/Helios Alpha.md

@@ -28,7 +28,7 @@ Hang the grow lights with the included hangers off the lower shelf. The height c
 
 Drill six holes in the plastic lid for where you want the plant to go. Bias the holes towards the edges so the plants are more spread out for air flow.
 
-Cover the lid with two strips aluminium foil to prevent light from passing into the nutrient solution. This prevents algae growth which will kill your plants and reflect the light back up to the leaves. Tape the aluminium foil to the lid and then cut holes in it the size of the net cups. Scrunch excess foil down into the hole.
+Cover the lid with two strips aluminium foil to prevent light from passing into the nutrient solution. This prevents [[Algae Growth |algae growth]] which will kill your plants and reflect the light back up to the leaves. Tape the aluminium foil to the lid and then cut holes in it the size of the net cups. Scrunch excess foil down into the hole.
 
 Insert the six net cups into the six holes. Place the lid back on the tote and position it under the grow lights.