The phrase "already much lower" is correct and usable in written English.
It can be used to indicate that something has decreased significantly or is at a lower level than before.
Example: "The temperature is already much lower than it was last week, indicating the arrival of winter."
Alternatives: "significantly reduced" or "considerably lower."
The current unemployment rate of 5.3% is already much lower than the 6.6% of 1994, and wage pressures are stronger.
Nassau County's crime rate is already much lower than New York City's, but officials here are borrowing the city's latest crime-fighting techniques to drive it even lower.
At the same time rapid growth means most emerging economies' sovereign-debt ratios, already much lower than those in the rich world, will fall.
The share of private consumption in G.D.P., which is only about one-third — already much lower than in virtually every other economy — continues to decline.
The fees for other peaks are already much lower, but are also being reduced for the thousands of climbers who come to the country each year to scale those mountains.
Without an "upgrade" path, it was thought Freeview would probably drift into decline, as consumers demanded the better functionality only available from platforms owned and controlled by commercial players – BSky and Virgin – where in any event viewing of legacy PSBs (BBC, ITV, Channel 4 and Channel 5) was already much lower than in Freeview homes.
Democrats might say that we could save a lot of money by cutting our defense budget, but these countries already have much lower defense budgets than we do.
The massive declines in all types of revenue at the authority are especially stark because its budget for this year already projected much lower income levels than in recent years.
Well, because top universities including Oxford and Cambridge already make much lower offers to promising students from poorer backgrounds, difficult family circumstances or state schools where Oxbridge entrance is almost unknown.
The SCM estimator has not been considered for this analysis, as it has already shown much lower performance than the NSCM and FP estimators.
Unlike synthetic polymers, however, the comparably stiff nature of a biopolymer leads to mechanical integrity already at much lower volume fraction or mesh sizes, thereby still allowing molecular transport.
