At some point, plain water became insufficiently ambitious.
An older Herb list of alternative bong liquids offers tea, cranberry juice, flavored sparkling water, wine, and a commercial water additive. The appeal is easy to understand: a small change, a new flavor, a familiar ritual made interesting again.
But the list mixes several different questions. Does it smell different? Does it leave less residue? Does it change the experience? Is it safer to inhale through? Those questions need different evidence. A nice photograph of cranberry juice answers none of them.
This is a claim check, not a taste test. We have not tested these liquids, and we are not ranking them as proven upgrades.
“Smoother” is a description, not a safety result
The first distinction is the most useful. Something can feel less harsh without establishing that it reduces harmful exposure.
The CDC's cannabis and lung-health guidance explicitly includes bongs among smoking methods and says cannabis smoke can harm lung tissue regardless of how it is smoked. That does not settle which liquid tastes different. It does tell us that a more comfortable sensation is insufficient grounds for a health claim.
So when a product promises a smoother experience, read that as a claim about experience unless it supplies appropriate evidence for something more.
Tea: a drink with an impressive side hustle
The attraction is aroma. A cup of peach tea smells good; perhaps putting it in a different vessel will improve the session.
That is an appealing hypothesis. It is not a demonstrated inhalation benefit. Being enjoyable to drink does not establish what happens when a liquid is used in a smoke path. The source roundup offers descriptions of flavor and smoothness, not a controlled comparison demonstrating reduced exposure or safety.
Our editorial verdict: the claim is more interesting than the evidence presented. We aren't turning a cup of tea into a recommendation on that basis.
Cranberry juice: show us the cleaning comparison
The claim here is that the juice's acidity keeps the piece cleaner. “Acidic” sounds satisfyingly scientific. It is also only the beginning of an explanation.
Cleaner in what sense? Less visible discoloration? Less residue after the same amount of use? Less work to clean? A useful comparison would define the outcome, hold the equipment and use conditions steady, and show the result against plain water. A claim about microbes would need its own evidence.
The screenshot's wording offers a reputation for cleanliness, not that comparison. We would not repeat it as an established fact, and we would not treat juice as a replacement for cleaning.
Sparkling water: novelty is allowed to be novelty
Sometimes the whole attraction is that something is different. That is fine. The trouble starts when “different” quietly becomes “better,” and then “better” becomes “healthier” without any additional evidence arriving.
If a listicle recommends a particular flavored drink, ask why that brand belongs there. Was it compared with alternatives? Is the shopping link disclosed? Does the article explain how it reached its conclusion?
An affiliate link is not automatically a bad recommendation. It is also not supporting evidence.
Wine and liquor: we're leaving these off the recommendation list
An alcohol-based suggestion deserves more scrutiny than a flavor description. Poison Control warns that inhaling alcohol vapor can be harmful.
That warning concerns inhaled alcohol and methods that create alcohol vapor; it is not a controlled study of the particular wine-in-a-bong setup pictured in an article. We won't pretend it quantifies that exact exposure. Equally, we have no basis to recommend putting alcohol in the smoke path or to promise a benefit that makes the uncertainty worthwhile.
Our verdict: no recommendation. Save the inventive storytelling for something that doesn't need an unsupported inhalation claim.
Commercial additives: ask for the evidence behind the adjectives
“Natural,” “food-grade,” and “proprietary” tell you something about a product's positioning or intended ingredients. On their own, they do not demonstrate safety for inhalation-related use or prove an improvement over water.
Before FTS endorses an additive, we want a clear intended use, instructions, meaningful ingredient information, and evidence that actually matches the advertised claim. A cleaning claim and a health claim should not share one vague testimonial as their entire support system.
We have not independently tested or endorsed the commercial product shown in the source article.
A better question than “what else can I pour in?”
Ask what you want to improve. Maintenance? Flavor? Convenience? The answer determines what evidence would even be relevant.
For equipment care, start with the manufacturer's instructions for the actual device. For claims about health, look for research that measures health or exposure—not a writer describing an especially pleasant afternoon. There is no magic-liquid verdict here, and we won't manufacture one to finish a top-ten list.
Question for the room: What cannabis “hack” have you heard repeated so often that nobody seems to remember where it came from? Send the claim through the FTS contact page; it may become a future Does That Actually Hold Up? investigation.
Keep reading: The THC Number Is Not the Whole Story asks what another familiar claim can—and cannot—tell you.
Sources and limits
Sources checked October 22, 2026: CDC, “Cannabis and Lung Health”; Poison Control, “Inhaling alcohol: Know the risks,” linked above. The claim prompts come from reader-supplied screenshots of Herb's “The 10 Best Alternative Bong Liquids,” dated August 19, 2019. This article evaluates the evidence presented in those screenshots; it does not claim to be an exhaustive literature review or a laboratory test of any liquid. No paid placement or affiliate link appears in this article.