The phrase "a very poor quality" is correct and usable in written English.
It can be used to describe something that is of low standard or subpar in quality.
Example: "The product I received was of a very poor quality, and I was disappointed with my purchase."
Alternatives: "extremely low quality" or "of very low standard".
"For most people, that's a very poor quality of life," Dr. Mitchell said.
The animals being eaten today by Americans are in terrible shape, and represent a very poor quality of nutrition.
Here board was inexpensive, and a very poor quality of rum was cheap, so that his wants were all supplied.
It turns out the $50 bill foisted on the Bedford Free Library was "a very poor quality note," Mr. Saez said.
Even when the prosecution evidence is of a very poor quality, many judges would rather say: 'let's just heard the defence anyway'".
We are grieving not only for the loss of our wonderful son but for a person who endured a very poor quality of life for many years.
He then referred to the Yugo, a car from the former Yugoslavia that gained a reputation for very poor quality, and that soon vanished from showrooms.
Based on the MFWQI, the results showed that 88% of the sampled surface water points had a poor to very poor quality in January-09, as compared to only 12% of good to average quality.
Based on the IMBP simplified quality grid shown in Table 1, the results of the monitoring performed during four campaigns showed that 76% of the sampled surface water points had a poor to very poor quality in January-09, as compared to 23% of good to average quality.
"For these large amounts of money you would expect excellent service so to me this is just compounding a felony, vast sums of money buying a service that is very poor quality it would appear".
Tap water was available for only a few hours a day and was of very poor quality.
