1.   Grolux tubes are great for promoting plant growth, but they do give everything a pinkish tinge.

2.   In the female this tube is broader than in the male.

3.   Note that silencer tubes are no longer allowed.?

4.   One tube is not enough to provide the necessary light energy for photosynthesis.

5.   So a single fluorescent tube will be adequate, and if you have used floating plants, so much the better.

6.   The tube is a flat glass panel like a thick picture frame.

7.   The tube is too narrow even for the nucleus, which only just squeezes through.

8.   More rarely, the tubes have been malformed from birth.

9.   Thereafter, he used the shaving cream every morning until the tube was empty.

10.   The tubes may not be straight, but one does not have enough information to assign any other shape to them.