I am thinking the same, – I also dont use any tecnik but sometimes wonder if it would be better.
And when I look at Lisbets tanks in the video in the thread here https://parosphromenus-project.org/en/forum/9-Trade/11-P-ornaticauda-in-German-trade.html then it seems to me that the paros actually look more happy.
But I wonder about breeding and developing of eggs.
But I think it would also be very interesting to hear what others have tried.