Auto Water Change ideas???

[golf nut]

Originally Posted by sphelps

. Note that I do this with a ~180 gallon system changing 10 gallons weekly.

How much water would you need to completely dissolve the amount salt you need for 10 gallons, and how long would you think it would stay completely dissolved?.

I designed a mixing device years ago for fuel additives that automatically dosed the correct percentage of additive to each gallon of fuel, this may work well in this application.

[sphelps]

Originally Posted by Mr OM

How much water would you need to completely dissolve the amount salt you need for 10 gallons, and how long would you think it would stay completely dissolved?.

are you taking about supersaturation?

[golf nut]

Originally Posted by sphelps

are you taking about supersaturation?

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

[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