Ronnie Ortiz-Magrois single again.

A source close to theJersey Shorestar, 32, tells PEOPLE that he and on-off again girlfriendJen Harley, with whom he shares 7-week-old daughterAriana Skywith, recently broke up.

“They tried to make it work, but they just set each other off and fight constantly,” the source says. “It’s better they are apart and they are slowly realizing that. It will be better for their daughter in the end.”

A rep for Ortiz-Magro did not immediately respond to PEOPLE’s request for comment.

Jen Harley/Instagram.Jen Harley/Instagram

ronie-magro-jen-harley

News of Ortiz-Magro and Harley’s split comes a week after the pair spentMother’s Daytogether and cared for their daughter in the hospital twice within 24 hours because she wasn’t feeling well.

An insider previously told PEOPLE that the infant, who was born on April 3, “was sick this weekend, so it was scary for both of them as new parents.”

“They both dropped everything and came together to care for her,” the insider said.

WATCH:Jersey Shore‘s Ronnie Ortiz-Magro Apologizes After Public Feud with Girlfriend: ‘I Acted on My Gut’

At the end of April, abitter feudbetween the new parents played out on both of their Instagram Stories when Ortiz-Magro alleged in a series of posts that Harley was keeping “sex videos” with an ex.

Ronnie Ortiz-Magro Instagram Story, May 14, 2018

ronnie1

They broke up andappeared to get into a physical altercationApril 30, when Harley went live on Instagram in the middle of what appeared to be an argument between the former couple. (A source close to the reality star told PEOPLE that the incident was “blown out of proportion.”)

A separate source recently told PEOPLE that Ortiz-Magro and Harley“can be toxic together”at times and have had their ups and downs throughout their over one-year relationship.

“When things are good, they’re good, but when they’re bad, they’re really bad. When you put two alphas in a room together, they’re going to clash,” the source said.

source: people.com