I have read a lot different things about peoples experiences with lucid dreaming and SSRIs. However one thing that i have always found is that SSRIs cause your dreams to become extremely vivid, lucid or not, due to REM rebound.
I have read that it inhibits dream recall, and have also read that it makes it harder to become lucid, but have personally experienced the exact opposite.

Almost all of my LDs, except for the very first one i had by mistake years before, have happened while ive been on zoloft.

I have found that lower and higher doses have their pros and cons as far as gaining lucidity. I have been the most successful on 50mg, having lucids in at least 50% of my dreams, and remembering 3 to 4 every night. When i go off of the drug, my dreams become dark, sad, and scary. I become lucid far less often, and the majority of my dreams are nightmares. Tapering back onto the drug, my dreams are happy, bright and vivid and i am lucid frequently.

When on higher doses of the drug, my dreams become so complex and flooded with emotion and information that it is hard to describe in words. i have woken up in a cold sweat, feeling like i had not been in my body for months, and grabbed my labtop and tried to type out what had just happened to me, but had absolutely no idea what to say. While on these high doses (200mg daily) my dreams became so powerful and vivid it became exhausting. The emotions i felt, that often carried on into the day for hours, were beyond anything i have ever experienced before. i still struggle to find words for exactly "what" those emotions are. Epic is a good word, but fails to truly capture what it felt like.

I am only now beginning to experiment in the "middle range", and am currently on 100mg daily. I am still lucid in the majority of my dreams, and they are becoming increasingly clearer but also much more intense. I often have to pause before writing things down, as it is becoming increasingly difficult to "translate" what happens in the dream. Visual events often have complex plots that play into the bigger picture of the dream, almost like captions, that flood my mind in an instant and quickly change into more bizarre and increasingly complex stories and plots. Every night i have to write a little more in order to capture the dream. It is very interesting and also very challenging.

I have also experimented with Galantamine, Choline, Aplha GPC, Mucuna Pruriens, Yohimbine, Calea Zacatechichi, Melatonin, and Vitamin B6, all while on 50mg of zoloft. I have done them all alone, and in different combinations and have found remarkably different dream "realities" for each of them. Many of these are near impossible to explain, but each time i am immersed in their reality, the feeling of that reality is very distinct and familiar. They are all also very different when taken alone, when i have tapered off of the zoloft for several weeks. Again, all of my dreams were darker, scarier, and less lucid than my dreams while on zoloft. While they did help aid in my lucidity, that effect is magnified when i am on antidepressants.

I have always wondered if anyone else has had such profound dream experiences from SSRI use, or if i am the only one that uses SSRIs to help my lucid dreaming.