I am going to attempt this one more time, but if my browser kills my post again you are going to have to wait till i finish this bowl.
Ok two things that i can think of that would be causing the tips of the leaves to rust. One being the foil and the other being Ph. On the foil i know that you are not using a high watt bulb, but the tips of the leaves are the frailest part of its structure. The fan leave its self has lots of surface area as well as moisture if humidity is right. It can take a little more heat before breaking down and dieing. If the tips are close to touching or are touching the foil you may see this happen. One way to remedy this is to go get a piece of flat white cardboard and make a tube out of it. This will spread the light even as well as drop the temps. So you will get a dual benefit there.
Now on to the Ph. Make sure that the water you are using is 5.8-6.0 in Ph level. I use 6.0 and lock it there and have my best growth. I cheat a little with this as well. I use chilled rain water for my plants. The reason that i use this is because its free, high in N, and has a natural Ph of 6.0, so who can really argue with mother nature. I have found that when i filter, bottle, and chill the water it stays at 6.0. I always test a sample before i use it and buffer if needed but 9 times out of 10 its right on spot. Plus when i mix in the FF its like steroids for the plants.
Now, about the nutes that you posted. The first looks ok to use through veg. I would start on a low dose per gallon, say 1/8-1/4 strength and then work up as the plant responds. Now when it comes to bloom you are going to need something that is high in phosphorous but still has enough N to keep her leaves green. If you dont get something like this, in the 3rd week of bloom you will run into what is known as the bloom food crisis ( thanks uncle ben). The plant kicks into over drive at this point. If it does not get what it needs from the soil, it will start to pull it from the leaves and you then get yellowing. So nip this in the bud and spend a little money here. Remember you cant repair discoloration in structured leaves you can stop the problem from spreading.