Auto Water Change ideas???

[sphelps]

Originally Posted by Mr OM

Not if it is going to re-crystallize, just enough water to fully dissolve the salt .

The saturation point is about 25%, and if you maintain temperature it should not precipitate. So volume vise you should be able to mix 7.5 gallons of water with 2.5 gallons of salt at room temp. Higher temperatures will allow for higher saturation.

[Doo]

This is all very cool!

Does anyone have any pictures or sketches?

where do you get these valves or solenoids from?

I am going to post what I imagine but don't know where to get the parts from...

[Jack]

http://www.reefcentral.com/forums/sh...fo#post7704989

[Doo]

This is my small brain in action and I think it should work - don't know??



http://www.canreef.com/vbulletin/pic...pictureid=1043

[msobon]

Originally Posted by Doo

This is my small brain in action and I think it should work - don't know??



http://www.canreef.com/vbulletin/pic...pictureid=1043

Where is the salt coming from? so far I see drain then water topped off with fresh water, I'm assuming that's what you mean by the auto top off.

[banditpowdercoat]

www.fishbowl-innovations.com has solenoids, As well as a couple on ebay. Search ebay user valves4projects I think he's still got all plastic solenoids

[sphelps]

I'm not sure how any solenoid valves will hold up in saltwater, but for fresh water top off you can use Rainbird sprinkler valves which run on 24VAC so you'll need an adapter. These valves come with a 5 year warranty and are guaranteed to fail in the off position. They also don't leak at low pressure like some other types are suppose to. Been using them for years with no problems and the only part you'll ever have to replace is the solenoid itself which is easy to get and replace. I never liked the look of those smaller solenoid valves made for the hobby, I'd rather use a well known proven product.

[titus]

Hello,

www.fishbowl-innovations.com has solenoids, As well as a couple on ebay. Search ebay user valves4projects I think he's still got all plastic solenoids

This float switch looks nice with the John Guest fitting already pre-installed. Are you using them or have you used them before? Considering of order two to do auto water change (one to drain water, one to let water come in) with one of the basic controllers from Digital Aquatics for my brother's turtle tank.

Titus

[Doo]

Originally Posted by msobon

Where is the salt coming from? so far I see drain then water topped off with fresh water, I'm assuming that's what you mean by the auto top off.

I am not mixing the salt at the time of the water change!

I am going to have it pre-mixed. Auto top off is the system I am going to be using...

[GreenSpottedPuffer]

Not quite an auto water change system but here's something

http://www.drsfostersmith.com/produc...3&pcatid=12683