Not an RO unit but does pretty good..

Finally setup my water filter again that used to use back when I line bred FW angels.

It's not an RO unit but the results are great with no waste water.

Water goes in from the right to the left..

5 mircon sediment, 1 micron sediment, 1 microm chemical (chlorine and all that jazz)



Each unit is actually meant to filter a whole house on the main water line.

Have had the units themselves sitting in a styro since the whole blackout thing back in 2003 which killed my most stock and all my interest in FW angel breeding.

Took em out, cleaned em up, new taps, lines, filters and she's running again.

Will end up getting a proper RO down the road hense the temp style connection on this one.

 

I doubt your results are really all that great. You don't have TDS before/after, which would show there's actually hardly any difference between the water in and out other than chlorine/chloramine removal, and possibly even higher ammonia on the "purified" water than the in water (if you have chloramines in your local water, they convert to ammonia when they hit carbon, then an RO would normally remove the ammonia).

 

not to mention that copper output. I think its bad news. Great design for drinking water but bad for fish. Sorry

 

No copper in there.. it's brass.

Hmm will have to check TDS, have never had any ammonia in the filtered water when used in the past will have to run a batch and test tomorrow as I've only run a rinse and leak test through it so far today.

 

Brass is an alloy of copper and zinc. Cu3Zn2 is the chemical. Im just trying to help, not trying to be pushy or anything. Its just that it will kill off inverts very slowly.

 

hmm .. crap ..

 

Well, the ammonia is only going to happen if your local water treatment plant uses chloramine instead of chlorine, or if there's straight up ammonia in the tap water. It's just the way that chloramine breaks down when it hits activated carbon - it breaks into ammonia, hydrogen and a chlorine ion (which is adsorbed by the carbon).

 

thay use cloromines here i figured that out when i was being cheap and didnt want to use an ro/di i thaught i was nuts when my amonia was higher after a couple filters . glad to see i wasent nuts . i couldent beleve the diffrence when i switched to ro/di and the water here isnt all that bad i just had issues with iron causing dino blooms

 

Not to cause a "stick" but the above is not entirely true- I have 3 family members that work for our local water/serwer plant- read this please.

Removing Chloramines from Water – Pure Water Products, LLC

 

The purpose of an RO membrane is to remove TDS or total dissolved solids. TDS is in the 0.0001 micron range, much much smaller than any filter you have in your unit.
The brass or copper is no big deal as you are just passing sediment filtered tap water through it so there will be no degredation of the brass. If you have a RO or RO/DI, the water that comes out of them is very agressive since you have stripped all the ions out of it and it is looking for ways to get back to its natural "dirty" state.


RO does not remove ammonia, RO is not very efficent at all forms of ammonia including nitrates and nitrites . It takes DI to remove the ammonia.

You do not need the Centaur or other special carbons, any good 1 micron or smaller carbon block is more than sufficient for the chlorine portion and the DI gets the ammonia.