Water Quality Map - Correct within + or - 10% BY Severn Trent Water Plc.


Growing hydroponically means you can feed your plants to it's exact requirements, so before you purchase your nutrients , check out this water quality guide, which explains roughly the hardness of the water in the midlands.

It is important you order the correct formulation of nutrients, i.e. Hard water or Soft water. Alternatively, give us a call and we will send yuo a alkalinity test kit which will tell u exactly the lavel of hardness in your water.

   
Greenstream Hydroponics
Key  
 
0-100mg
Soft
100-200mg
Moderate
150-300mg
Variable
200-300mg

Moderate
Hard

300-400mg
Hard