The water bottle wars have begun. Hydro Flask has thrown shade at Stanley after health concerns about lead content in their cups were raised.

Stanley cups have taken over the market, becoming a cultural phenomenon with everyone and their grandmotherfightingto get their hands on the product at Target.

However, the Stanley tumblers have recently faced backlash over health concerns when a TikTokerfound lead in her cup, sparking panic from those who have been using them.

Despite the concerns over Stanley cups being made with lead, theyare safe to use, but that didn’t stop rival company Hydro Flask from taking advantage of the confusion to blast their opposition.

Hydro Flask burns Stanley tumblers lead backlash

Hydro Flask burns Stanley tumblers lead backlash

In a statement onInstagram, Hydro Flask took aim at Stanley with a series of posts about how their products don’t contain lead.

“There’s a lot of conversation happening right now around lead. We want to assure you that Hydro Flask does not use lead in our vacuum sealing process,” the company said.

A post shared by Hydro Flask (@hydroflask)

“Even though this process was more complex – and more expensive – we chose this path because we aimed for a higher standard, knowing lead could be harmful to our consumers, manufacturing partners and the environment.”

The final slide of the post doesn’t referenceStanleyby name, but users could tell exactly who it was geared towards with the sharp words: “We aim for a higher standard.”

Across social media, fans rallied behind Hydro Flask, but many were baffled by the new feud between companies.

“Holy crap the water bottle beef is real,” another commented on the thread.

So far, Stanley hasn’t responded to the shade, but the company hasdefended itselfagainst concerns of lead poisoning, confirming the product meets all US regulatory requirements.

Michael Gwilliam is Dexerto’s Deputy Entertainment Editor in the US. He expertly covers trending stories across Twitch, Kick, YouTube, TikTok, as well as Overwatch, GTA, and Smash Bros. You can contact him at: michael.gwilliam@dexerto.com