Glouglou

Somebody have some idea about this product.

http://www.seachem.com/products/prod...s/Purigen.html

banderbe

Well it sounds like it wouldn't be very good for a planted tank, given that it takes out nitrates.

Zapins

Apparently it only takes out the organically produced nitrates, not the stuff we dose.

I am not too sure about the stuff, but i have friends who swear by it.

I did get a small bottle myself to test out. I don't really hold much hope of it doing anything, but hey a little experimentation... a little more knowledge of what is crap and what is not eh?

trenac

There is really no need to use it in a planted tank. But it works very well in saltwater/reef tanks.

Salt

Once again, lots of misinformation being spread.

I use it in my planted tank with excellent results.

Purigen absorbs dissolved organics with specific properties. This is the kind of stuff that can make water cloudy and/or smelly, create foam, or have a film on the surface (among other things).

Purigen works by using physicochemical forces to attract atomic particles.

Think magnets - the positive charged side of one magnet attracts the negative charged side of the other, but pushes away the positive charged side of the other.

For example, Iron is charged positive, and if Purigen is also charged positive, it will not absorb any Iron.

Purigen is engineered using a proprietary process so that its physicochemical forces attract and keep only those particles with specific types of electric charges.

Its effect on the products typically dosed to a planted tank is minimal and of no consequence.

wiste

If it attracts negative particles will this remove hydroxyl ions from the water and raise PH?
To state a different way, did you observe any change in PH when using the purigen?

Jimbo205

Salt, I appreciate your experience and knowledge of this product.
I bought a large container of it and have attempted to use it in my 27 gallon 1/2 hex tank. My Bio-Wheel Penguin 300 has 2 'Resin' containers in the back. I used the Seachem 'The Bag' which relatively expensive and finally bought a 2nd cheap nylon bag from the Local Fish Store and put that in the 2nd Resin container in my filter.

What will I see happening in my water or my tank?
I know this stuff is very good - from the H20GROW booklet that I received from Seachem.
But doesn't it basically do exactly the same thing as the plants?

Does this mean I can go longer without water changes?
On Seachem's Daily Dosage schedule they only have a weekly water change of 5%.
Is this why?

hoppycalif

Why put something in the tank or in the water system for the tank unless you have a specific need for it? And then, wouldn't you consider the alternatives first and use the one that best fit the problem you have? So, my question is what condition or contaminant or problem is it that this substance is the solution to? For example if it were a good solution to the BBA or BGA problem I would be interested, or if it made CO2 less likely to harm the fish, or if it reduced the need for high lighting intensity, or stabilized the level of nutrients in the water, etc.

Jimbo205

Well, the one thing about this product that I DO know is that it does NOT remove some of the suppplements that CARBON in the filter DOES.
That was enough for me to want to switch.

PMD1

I use it in a 15G, a 20G and a 90G tank.

It maintains excellent water clarity!

It works very well and I have it in all of my tanks.

Regards,

PMD1