Water Change Procedure

[knobhill]

My standard water change was a to shut off pump to wet/dry, drain water, then refill with tank.

Recently, I have been siphoning and filling at the same time. This way, I don't have to shut off the pump and it seems less stressful and less disruptive to the fish.

The tank is 175g and I change out 30 gallons each time (1-2x a week)

Is the simultaneous water change as good as the drain/refill method?

 

[Gr8KarmaSF]

IMO - I feel better doing the drain and fill method. This way I know for sure that the old water is being replaced vs. draining out a mixture of new/old water.

 

[Nic]

IMO - I feel better doing the drain and fill method. This way I know for sure that the old water is being replaced vs. draining out a mixture of new/old water.

i agree its better control...

 

[CichlidAddict]

i agree its better control...

+ 2 Drain, then refill.

 

[TCZeli]

agree with everyone above.

 

[bearfan]

Ditto. Drain, then fill. Better water change that way. Making sure you are just getting bad/old water out and getting new/fresh water in.

 

[muckieman]

yea i do refill after... buts its more work but you get better water quilty

 

[itzacraze]

drain then fill if faster more efficient way to work but the other way is good too you only you will waste a lot of water to get the same results and lose a lot of benificial qualitys