Will filtered water need prime?

[bryan.u159]

Hey guys I was currently running out of my gallon jug of prime and I was wondering if I use my filter next to my faucet to fill up the fish tank will it be fine that way? Will there still be chlorine or anything that can harm my fish? This is a Rena ware filter and it seems to do a great job at filtering seeing that when I clean this filter its always dirty as hell inside lol

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[strollo22]

Switch to safe instead of prime. It's the powdered version of prime and it's more concentrated. A 250 ml bottle that costs $14 lasts me about 6+ months and that's with changing close to 500 gallons per week


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[aldiaz33]

It depends on whether or not the filter removes chlorine or chloramines (whatever your water treatment plant uses to sterlize your water). From what I've seen, most faucet units do not remove either.

You should be able to pull a water quality report by doing a search "your city here water quality report." It will tell you whether they use chlorine or chloramines. If they use chlorine, you can simply age the water to gas off the chlorine (an air stone in the holding container will speed up the process." Chloramines are more stable and will not burn off so you would need a tap water conditioner if that's what your municipality uses.

I wouldn't risk it unless you know for sure. Like my buddy Alex says, buy 1KG of Seachem Safe and you will be set for years.

 

[duanes]

If it is simply a sediment type filter, it probably doesn't have the ability to remove chlorine or chloramine.
But if it has a carbon or chemical removal cartridge that you change regularly, it may work to remove chorine/chloramine.
If you're not sure, you could get a chlorine test kit to make put your mind at ease.
If you decide to go the test kit route, make sure the test kit is sensitive enough to measure below 1ppm.
Most water supply companies are required to maintain a trace level at the end of the distribution system, and use a residual chlorine between 0.4 - 1.40 ppm (depending on source water quality).
If you are at the far reaches of the distribution system, you may have little to chlorine, if you are close to the treatment plant, levels could be quite substantial.
Although the MCL in most of the US is 4.00ppm, most water providers find that 2.00ppm is sufficient to maintain water potability, and kill pathogenic bacteria.
A test kit used to measure swimming pool chlorine may be easy to find at stores that sell pools.