take another pot ame size as the one ur growin in,weigh it with dry poting soil in it,wen the pot ur growin in weighs that amont or near that,water and also compare that to how far down the soil is dry,with ur finger.,incase all pots weigh the same,and one is not as dry down in the soil,as far as the others,in that case u might have to wait until nextday o water,maybe weigh a ounce less on average,check with finger .write down wat u do,so u dont mak same mistake twice,easier to get help,and so u can mak adjustments.