Question for those doing Daily Water changes....

[edsbeaker]

I am setting up a Neptune DoS for auto water changes, and am wondering if it is necessary to use a heater in the NSW container. I will be changing out 3% over 2 hours. (2 gallons in a 65 gallon system) I'm thinking that this is slow enough that the temp in the display should not be affected.

 

[Reefishness]

I really don't see this being a problem. I change out 1/2g daily in a 34g tank manually and my tmp drops .3° :)

 

[edsbeaker]

Thank you! Anyone else just to verify??

 

[jkapit]

I am setting up a Neptune DoS for auto water changes, and am wondering if it is necessary to use a heater in the NSW container. I will be changing out 3% over 2 hours. (2 gallons in a 65 gallon system) I'm thinking that this is slow enough that the temp in the display should not be affected.

I don't use a heater and use the DOS for 2 gallons per day water chang. works great.

 

[reefwiser]

Never needed a heater not enough water to cause and issue.

 

[Randy Holmes-Farley Verified Community Expert]

I am setting up a Neptune DoS for auto water changes, and am wondering if it is necessary to use a heater in the NSW container. I will be changing out 3% over 2 hours. (2 gallons in a 65 gallon system) I'm thinking that this is slow enough that the temp in the display should not be affected.

I never heated or stirred (after the initial mixing) the water I used for slow daily water changes.

 

[Grey Guy]

Then closer the two temperatures are the better. Use good judgement.

 

[edsbeaker]

Thanks everyone. No heating, and if not mixing SW after initial mixing is what Randy does, its good enough for me.

 

[Randy Holmes-Farley Verified Community Expert]

If the tank is at 81 and you change 3% with 70 deg F water, the temp will only drop to 80.67 deg F, and since you are spreading it out over two hours, the tank will likely keep up in temp just fine.. :)

 

[edsbeaker]

Thanks Randy.
One more question. How long does your mixed saltwater sit. I'm planning on a months worth at a time. Do you think I can still get by without any power head in there after the initial mixing?

 

[Randy Holmes-Farley Verified Community Expert]

Thanks Randy.
One more question. How long does your mixed saltwater sit. I'm planning on a months worth at a time. Do you think I can still get by without any power head in there after the initial mixing?

Yes, I kept mine a month or more. As long as it is a mix without organics in it (so not Reef crystals or Tropic Marin Bioactif, for example), then there's nothing to use O2 in it and it should be fine without stirring.

 

[edsbeaker]

Would Fritz be OK then?

 

[fishyguy7]

I use fritz and mix up 2 months worth of water. I change out 2g a day. I do have a jebao pump in my vat for circulation but I have not had any problems.

 

[Randy Holmes-Farley Verified Community Expert]

Would Fritz be OK then?

Yes, at least based on their description. No need to stir it after initial mixing. :)

 

[edsbeaker]

Thanks Randy. I'm always very appreciative of your help. Happy reefing

 

[Randy Holmes-Farley Verified Community Expert]

You're welcome.

Happy Reefing. :)