Water Changes needed?

[broskie]

If I lose an average of 5 gallons a week do to evaporation and I am refilling with RO water and dosing CA and MA. Are water changes still necessary?

Water parameters
78 Degrees
1.024/.25 Salinity
PH 8.3
CA 420
MA 1320-1340
Po4 0
Ammonia 0
Nitrate 0
Nitrite 0-.25ppm
KH 11 "I beleive if this is the one that goes to 12"

 

[bigblue141]

YES!!!!

Your water change replenishes all of your trace elements, so you will save on CA and Mg supplements. Also be careful about dosing Mg if you don't have a test kit for it.

Water changes also give you a chance to suck up detrious (sp) and stir up your sand bed. Doing a 20% water change will help you keep your Nitrites closer to zero. Most good synthetic sea salts also have buffers in them that will keep your paramateres solid and stable.

 

[broskie]

Pefect thank you

 

[roscoe]

Yes it is! Your evap does not not remove nutrients how ever water changes does.

 

[OurReef]

Never go wrong with water changes....once a week here.

 

[Myteemouse]

twice a month here on a 160 gallon total volume

 

[reef18ster]

Try to look at it this way. Poop does not evaporate and a skimmer can only do so much.

 

[dragoneggs]

Try to look at it this way. Poop does not evaporate and a skimmer can only do so much.

That is one way of looking at... I am busy figuring my water change system as we speak. I want water changes to be easy, quick, and clean. This way I am more regular.

 

[bigblue141]

I need a bigger mixing barrel to mix salt water...

 

[johnpeezy]

I do between 30-40% water volume per month....buuuuut

I have a 20 gallon tank so it only cost a few bucks a month to do that many I bust out 2 gallons a week and try to remember to take a n off week.

 

[OurReef]

I have a flawless water change set up. Goes so smooth and only takes about 20 minutes. I use a mag 9.5 to pump water into my sump and then drain water from the display at the same time. Just make sure you have a valve on the end of the may hose to slow it down. 40 gallon water changes.

 

[Krish]

I did a 10-15% water change on all on my tanks weekly. It's a good way of removing un-wanted waste in the tank that skimmers or mechanical filters might miss.


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[07FocusST]

26 gallon tank w/ 25lbs LR and 1/2" deep sand - 5 gallon water change bi-weekly is 20% monthly. No problems here.