so im gonna post a couple pics and ask a couple questions! by the way im new. 1.how do i change the water to brackish? i was going to do 0.002 a week but hydrometers dont go that low. can anybody whip out their refractometers and tell me how much salt it takes to get to that in 3 gallons of water? 2.im going to sex my crab today and want to know if i should add an opposite sex partner and how many(ill be upgrading to a 20 gallon long in the future) thanks Piere i took that plant out bc i couldnt see the crabvery much.