what gh brand are you running? gh will give water retention, and so will the test so it will be hard to increase either of those since they are probably both making you hold some water already.
i would say fuck it and just up everything, water weight be damned, but if you have a specific reason why you don't want to add water, then i don't know, maybe run a diuretic or drop the test.
ok actually i just looked at your pictures and you are definitely holding water there. whats your diet look like? you can drop water weight by cutting carbs to a minimum (not too low or you'll get flat) and by cutting sodium out but cutting out sodium is real hard to do for a long period of time since your body will upregulate hormones to lower sodium excretion and increase sodium retention.