300mg/wk is going to be basically a TRT dosage bro. You shouldn't really experience significant bloat at that dosage whatsoever. And T-bol is known for lean gains, so your cycle looks very clean IMO.
If you're really worried about any extra water weight you might be carrying, then you could use arimidex (a-dex) @ 0.25mg/eod. That should do the trick.
-VM