A lot of my leaves are burning now and I dont really know what to do. Is my plant a lost cause? Do I keep my plant in veg hoping that the soil cools down eventually?
Tough to say. Assuming your soil if off, your plants may not improve.
Your photo should more good than bad. You can always grow this out & get more experience.
If you have time & money, you may learn just as much starting over.
Maybe a 3rd option - cut the root ball and repot into some new mixed soil?
Sunshine should be fine for a base soil. I don't know your receipe, but it may be off where it is going to keep giving you problems. Here is the soil receipe I started with:
Sincerly420's receipe - Per 1.5cubic foot bag of Fox Farm Ocean Forest
-32cups Earthworm Casting
-32cups Ancient Forest
-16cups Perlite
-11tsp Rooters Mycorrhizae
*This is your soil base or base soil. The Added EWC and compost just boosts you humus content. The perlite is for aeration. FFOF has some already within, but you'll need to add some to compensate for the added humus(EWC and compost). You can make sort of a judgement call as to how much you wanna you. But a gallon extra should be cool.
__________________________
-1.5cups Indonesian Hi-P Bat Guano (.5-13-.2)
-1.5cups Algamin Kelp Meal (1-0-2)
-1.5cups Espoma Tomato Tone (3-4-6)
*Nutritional Amendments. You can bump up to 2cups of Kelp meal, but everything else I'd keep constant as it's worked!
__________________________
-4 cups rock dust
-1 cup Azomite
-0.5cup Espoma Green sand
-1 cup Hi-Cal Lime
*Mineral Amendments.
__________________________
So, you can see this recipe has 1.5 cups of high P guano per bag of soil.
After 5 weeks, your soil should be cooked. But if your recipe is off, your pH/micro orgs/etc may be off & tough to improve.
Maybe you could cut your soil with another bag of base?
I knew ferts had to be composted but I figured store bought guano was ready to go.
I don't think we are composting guano. I aint no expert, but here is a good explanation I held on to:
First thing is first, when you just dump a bunch of organic matter into a pot you aren't doing shit. Well actually, more often than not all you're adding is shit, but anyway... The whole way that organics work is a process. Once you have organic matter in an area you will attract tiny little bugs that can eat that matter. After they start chowing down, their predators, more tiny bugs, are attracted to the same area. These predators start to eat away at the bugs and the bugs, either through deification or death, exude nutrition into the soil that plants can eat. Plants CANNOT eat organic matter as it is.
What do we know about bacteria and fungi (the tiny bugs)? That their presence and growth is exponential. What does this mean? It means that you will start with 1-100 little critters eating your stuff, and, after a while, you'll end up with millions. You obviously won't have very much nutrition coming from 1-100 little critters, but you will have a sufficient amount coming from millions-billions. This is why soil recipes call for you to WAIT. Just look at subcool's recipe. He says you ought to wait a month, at that point your soil will be full of nutrition and ready to support some plant life.
Good luck with the grow !