22/08/2023
For "serious" greens production, retail hydroponics nutrients are just too expensive. I spent more than a year trying to find what works in the farm and what's available near my area.
This is the cheapest effective nutrient mix I found before operations stopped (early 2020 price, Php130 per 1000 liters of nutrient solution).
Fertilizer brand Amount Pesos
First Cote Ca NO3 ---- 1110 g --- 24.4
Yara Krista MgS ------- 163 g --- 6.9
Phosp Acid (85%) ----- 24 ml --- 2.5
Haifa 11-11-30 -------- 382 g --- 58.1
Sagrex Iron 5% -------- 80 ml --- 28
Sagrex Trace Elems ---- 26 ml --- 7.8
Sagrex Boron 10% ----- 6 ml --- 2.6
The nutrient ratios I am following is from Dr Lynette Morgan, aptly named "Tropical Lettuce". The last 3 items appear to be "optional", depending on your growing conditions.
Happy farming!
