My 'Secret' Fertilizer Mix for growing Wheatgrass

My Fertilizer Mix is really no secret. I used to use OceanGrown Solution years ago, but now at $100 per gallon it just got too expensive, even though it makes 100 gallons of solution....and, besides, I'm not convinced it's the best way to go.
I now mix a combination of Carrot scraps, Terramin Clay, and Water in my Vita-Mix blender. I pour 68 ounces (maximum capacity) of this mixture into a large stainless steel bowl before I add the potting mix. I'm constantly modifying my mixture. I have some tomatoes to use today.
Happy Growing.....WY