The phrase "although it was really" is correct and usable in written English.
It can be used to introduce a contrasting idea or to express a concession in a sentence.
Example: "Although it was really difficult, she managed to complete the project on time."
Alternatives: "even though it was truly" or "despite it being really".
Brezhnev's assertion that the Soviet Union had the right to interfere in the internal affairs of its satellites to "safeguard socialism" became known as the Brezhnev Doctrine, although it was really a restatement of existing Soviet policy, as enacted by Khrushchev in Hungary in 1956.
And one full-size mayfly, which looked positively monstrous, although it was really only about a half-inch long.
She pulled over and stopped in a sort of rest area, although it was really no more than a patch of ground big enough for trucks to park on.
I once had the same phobia, although it was really a fear of merging, or more specifically, of being smashed into smithereens by huge trucks as I merged onto the highway.
Last month, however, she did send a group e-mail message to all the grandparents — "although it was really intended for my stepmother," she said — announcing that her children had more than enough clothes to last them several years.
What I didn't anticipate coming from this new fame, such as it was, was that I would become a public figure, although it was really inevitable given my compulsive desire to communicate on any number of subjects".
I'll wear an apron, although it's really about cooking in this dress, or rather, pretending to cook.
Although it is really Tudor in style, Block Hall hums the same gay melody as its Dutch neighbors.
"Although it's really only in the last year or two it's become both a health hazard and a safety hazard".
"That's what I try to explain, although it's really hard because we haven't proved anything yet," Mertesacker says.
"Although it is really four conservatives and one liberal, Bob Beckel keeps the others in line and corrects the facts when needed".
