Can diet soda count as water???

the general rule is anything with caffeine doesn't count

I wouldn't count it either. While it does have water in it the added things (such as caffeine etc.) can have a dehydrating effect and cancel out the water.

Absolutely not. As others have stated it is putting toxins into your body and water is designed to flush the toxins out.

Soda definitely does not count as water consumed.

No to the diet soda.....

Diet soda mimics sugar... drink it and you crave more. It may also increase cravings for other things bad for you. Water doesn't do this.

Don't forget too that to remove the sugar, they are sticking more salt and other chemicals in there. I've understood these chemicals especially bad for women's bone health. These drinks are not good for us we all know.

I struggle too - especially on 90 degree days after I just finished mowing the lawn - there is nothing I want more than an ice cold diet Pepsi. But still my goal is to keep the ban going and enjoy pure ice water instead.

No. I would say it, and all sodas, do the opposite of water.

Def not. Water is counted as water. With no additives or flavoring. Just good ol H2O...sodas are bad for you. Diet sodas are worse. The artificial sugars such as aspartame are linked with cancer and carbonation from any soda can cause early osteoperosis as well as screwing with the natural pH of your body.

Yes. It's 99.9% water so it should definitely count. Weight Watchers' official position is that any liquid water should be counted towards your water intake.

My nutritionist won't even let me count the tea I drink as teas/coffee are diuretics. He said water is water. No add-ins or stir-in flavors, just plain old water.

No it definitely should not be counted as water. Although it says diet and you think you might be losing weight and staying healthy drinking it, you are doing your body more harm. Think of all that sodium and artificial ingredients you are putting in your body. Basically sucralose and aspartame are like perservative. Think of it as drinking formaldehyde...aim for 1/2 your body weight in ounces of water. So a 200 pound person should aim for around 100 ounces of water a day.

Yes. It's 99.9% water so it should definitely count. Weight Watchers' official position is that any liquid water should be counted towards your water intake.
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One reason WW is not a long term weight solution.... Water is Water, soda is soda and kool-aide is kool-aide

Really? What makes people think to even ask a question like this?

Please stop drinking diet soda!

What Is Aspartame Made Of?
Aspartic Acid (40 percent of Aspartame)
Aspartate and acts as neurotransmitter in the brain by facilitating the transmission of information from neuron to neuron. Too much aspartate in the brain kills certain neurons by allowing the influx of too much calcium into the cells. This influx triggers excessive amounts of free radicals, which kill the cells. The neural cell damage that can be caused by excessive aspartate is why it is referred to as an "excitotoxin." It "excites" or stimulates the neural cells to death.

Phenylalanine (50 percent of aspartame)
Phenylalanine is an amino acid normally found in the brain. Persons with the genetic disorder phenylketonuria (PKU) cannot metabolize phenylalanine. This leads to dangerously high levels of phenylalanine in the brain (sometimes lethal).
One account of a case of extremely high phenylalanine levels caused by aspartame was recently published the "Wednesday Journal" in an article titled "An Aspartame Nightmare." John Cook began drinking six to eight diet drinks every day. His symptoms started out as memory loss and frequent headaches. He began to crave more aspartame-sweetened drinks. His condition deteriorated so much that he experienced wide mood swings and violent rages. Even though he did not suffer from PKU, a blood test revealed a phenylalanine level of 80 mg/dl. He also showed abnormal brain function and brain damage. After he kicked his aspartame habit, his symptoms improved dramatically.

Methanol (aka wood alcohol/poison) (10 percent of aspartame)
Methanol breaks down into formic acid and formaldehyde in the body. Formaldehyde is a deadly neurotoxin. An EPA assessment of methanol states that methanol "is considered a cumulative poison due to the low rate of excretion once it is absorbed. In the body, methanol is oxidized to formaldehyde and formic acid; both of these metabolites are toxic." They recommend a limit of consumption of 7.8 mg/day. A one-liter (approx. 1 quart) aspartame-sweetened beverage contains about 56 mg of methanol. Heavy users of aspartame-containing products consume as much as 250 mg of methanol daily or 32 times the EPA limit.

Really? What makes people think to even ask a question like this?

some people honestly don't know better. It helps to be a little more compassionate to those who are asking genuine questions. I personally don't think anyone should drink soda, but that's not my job to judge. Try giving helpful suggestions.