water changes and RoE.

trinitower · 09/02/2007, 10:52 AM

My rate of evaporation is about half a gallon to a gallon a day. (That is with PC lights I imagine if i get MH it could be more than that.)

I figure Im doing more than 5% water change, every week, from the daily top off of fresh RO/DI water. My question is this...Due to this rate of Evaporation: Do I still have to do a weekly regular water change of 5% salt water?

Eric.

snuggle2me · 09/02/2007, 11:08 AM

Yes. It replenishes the nutrients that your corals need from the salt you add to the changing water. Plus removing old water gives the fishes and corals fresh water. Remember that they are swimming and drinking their own waste...

My corals always seem to perk up nicely just after a water change. I think it makes them happy.

Lotus99 · 09/02/2007, 11:23 AM

When water evaporates, the only thing that leaves the tank is water. Evaporation doesn't remove nitrates, organic wastes or any of the other pollutants in the tank.

So yes, you still need to do weekly water changes.

trinitower · 09/02/2007, 11:38 AM

thanks. I thought that heavy skimming and top of water would do the trick. I will do a water change asap. It has been two weeks.

Eric.

09/02/2007, 10:52 AM	#1
trinitower Registered Member Join Date: May 2007 Location: Winter Springs Posts: 91	water changes and RoE. My rate of evaporation is about half a gallon to a gallon a day. (That is with PC lights I imagine if i get MH it could be more than that.) I figure Im doing more than 5% water change, every week, from the daily top off of fresh RO/DI water. My question is this...Due to this rate of Evaporation: Do I still have to do a weekly regular water change of 5% salt water? Eric. __________________ "Remember that not getting what you want is sometimes a wonderful stroke of luck. "- His Holiness the Dalai Lama Current Tank Info: currently building a 29 gal. 2X65W PC's. 30# Live Rock. CPR BAK PAK Skimmer, 9 blue leg hermits, 10 turbo snails, 1 small colony of Mushrooms Actinodiscus.

09/02/2007, 11:23 AM	#3
Lotus99 Registered Member Join Date: Oct 2006 Location: Southern California Posts: 1,398	When water evaporates, the only thing that leaves the tank is water. Evaporation doesn't remove nitrates, organic wastes or any of the other pollutants in the tank. So yes, you still need to do weekly water changes. __________________ "So long, and thanks for all the fish" Current Tank Info: 125g reef, gobies, cardinals, softies and LPS; 36g Neo Nano tank; 10+ FW tanks

09/02/2007, 11:38 AM	#4
trinitower Registered Member Join Date: May 2007 Location: Winter Springs Posts: 91	thanks. I thought that heavy skimming and top of water would do the trick. I will do a water change asap. It has been two weeks. Eric. __________________ "Remember that not getting what you want is sometimes a wonderful stroke of luck. "- His Holiness the Dalai Lama Current Tank Info: currently building a 29 gal. 2X65W PC's. 30# Live Rock. CPR BAK PAK Skimmer, 9 blue leg hermits, 10 turbo snails, 1 small colony of Mushrooms Actinodiscus.

09/02/2007, 11:08 AM	#2
snuggle2me Registered Member Join Date: Mar 2007 Location: Palmetto, FL Posts: 233	Yes. It replenishes the nutrients that your corals need from the salt you add to the changing water. Plus removing old water gives the fishes and corals fresh water. Remember that they are swimming and drinking their own waste... My corals always seem to perk up nicely just after a water change. I think it makes them happy.