Hey, anyone got any idea or clue what's going on?

Hey u can amend it really quick with some nitrogen some general hydro ponics green bottle 1 tsp a gallon.. Or worm castings or just compost i see u have mixro rhizos but what about other microbes??? U need something to break down compost for npk ur nase nutrients worm compost has all thos mixrones in it make a sort of tea with it then water by tea I MEAN mix with cold water at 62 to 68 degrees becuz more oxygen will be in the water at a cooler temp and afobic microbes will thrive also add a lilbit of blackstrap molasses to ur compist and water its to feed the microbes and get them kick started i use whatever sticks to my spoon and just mix in until water is light brown i do this in tap water microbes will survive enough will at least ro water even better no need to ph but if ud like take it no lower then 5.8 remember ph is important in drain to waste hydro or dwc becuz water comes in direct contact with root zone and its fed that way...IN SOIL ur microbes are feeding the plants nit the water the water is for hydration and a means to put in liquified compost..BRO GO WITH THE WORM CASTINGS AND A LIL BIT OF ORGANIC BLACK STRAP UN SULPHERED

It's the visible result of too little chlorophyll, the pigment used by plants to trap sunlight for photosynthesis.  Since chlorophyll gives leaves their green color, an inadequate supply turns plants a pale green, yellow or yellowish white. Fertilizer won't solve all of your plant problems, so make sure your plants have good light, good soil, and good drainage. The three most important nutrients are nitrogen, phosphorous, and potassium. Nitrogen is used for above ground growth. This is what gives plants a dark green color.