When the first signs of flowering are visible, you can the change over to a flower nutrient.
The EC can also be increased to approx. 2.2.
Increase the EC by 0.1 per day.
The pH remains at 5.8. 
 
 
 
 
It is advisable to occasionally (e.g. every one or two weeks) flush the slabs through with clean tap water. This prevents the buildup of harmful salts. Adjust this tapwater with pH up or down to the normal pH-level of 5.8. 
 
It is advisable, from now upto and including the last day, that regular checks of all the values are carried out.
For example, the drainage water gives us a good indication of the needs of the plant. Therefore, frequently measure the amount, its pH and EC-values. If necessary increase the time of watering periods. 
 
 
In order to obtain an accurate measurement in the slab, you are best off using a 140ml syringe. Remove the water sample from the slab where the roots are. 
 
 
 
For taking water samples use a large syringe with a 0.5mm stainless steel needle.    The optimal pH in the slab is around 6.0. This may not vary more than 0.5pH. (e.g. 5.5-6.5). The EC in the slab may be a max. of 0.5 higher then in the nutrient reservoir. 
 
 
 
 
The week before harvesting, stop with all nutrients, and only give tap water, without pH correction. This forces the plant to use up all its nutrients-reserves, this considerably improves the sweetness and taste.   
 

This growing schedule has been made possible through the combine efforts of: