Flowering Issues!!??

What up everyone!!??

I am growing under T-5 fluorescents using a 3 gallon DWC setup. I am using Fox Farm nutes . My strain is White Rusky, I am about 5 weeks into flowering. My problems started about 3 weeks ago. I set my ppm at around 600 and the plant did not react well at all. I had it at 500 during flowering and the plant was thriving! Started to get nute burn then my ph was all over the place. I got it all back under control and now set my ppm at around 300-350 and ph is between 5.7 and 6.5. I constantly have burnt tips like from nute burn or nute lockout. Dead leaves everywhere. I have buds coming in but they will not be as big as they could have been. I am stumped, I am missing something and cannot figure it out. I will post pics tomorrow when the lights come back on. Please help everyone!! Oh and my temps are always between 75-80.
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NGL, I'm not convinced that string of letters and symbols isn't intentional, and I'm having a hard time taking anything you say seriously. Check profile / signature settings and maybe reset everything. It's incredibly distracting.

Pics will gain you not only more responses, but higher quality ones. Trust me on this one. Plants are like people. There's a million things that can go wrong and a handful that often do. Just the other day I had some turnips and rutabagas turning purple on me. Never had that problem. I'm thinking what the fuck, this is new. I've grown the same shit in the same place for several years without a problem. I'm thinking in my head that I'll be taking soil samples to the university to get tested, and that it'll be this long drawn out affair. I put some 10-10-10 on em. Bounced back in 2 days. Probably just a phosphorous deficiency. It's usually something simple like that, be it veggies, weed, flowers, whatever. Btw, i think you forgot the F keys on your keyboard list. Good luck with your grow.

Alright finally got some pics up. As for my other posts with the extra stuff on there I don't know where that stuff came from. I even deleted all that before I posted the second time and it still showed up. So if anyone was offended.... Nobody cares! Thanks to those who are interested in helping. This morning my ph is 6.1 and ppm around 365.

flush... restart the nute cycle after the soil dries.. . go easy at first with the nutes.. build it up.

Thanks zubey but Im using DWC. Last week I put some peroxide in the reservoir to clean the roots. The plant responded well and finally stabilized.

oh damn i should have read that.. good they're doing well

I water with peroxide regualrly (i say with peroxide, but I mean with a less than 1% solution;1 part 30% peroxide with about 30 parts water in my watering bottle.

If you had nute issues there's a good chance there's mineralization in the soil raising the ph, peroxide has a slightly lower ph than distilled water at 1-5% solutions, so it helps slowly reduce the ph of the soil. Remember that if you're using soil and you peroxide flush you kill the nitrogen cycle bacteria, so you need to start using nutes with nitrogen in them.

Peroxide also aerates the soil like a sponge making it easy for roots to break the soil if you have really fine material as a medium.

So do you add peroxide with food or by itself? Could I possibly add more nitrogen with the peroxide. I could tell the plane really loved it but I did see yellowing. It was my first time using peroxide so I was not sure what was going on. I know now the plant needed more nitrogen. And I am growing using DWC