OK you may think I’m nuts after reading this or maybe not, but here’s a question for you to ponder, or should I say theory?….. You’re a purest, you’re a hobbyist, you’re a pet keeper, and your to somewhat a conservationist….or you could be all or none. Whichever I’m sure you may well relate to the fact that your ‘hobby’ has become an obsession and you would like to be able to give your pet/s the best life style you possibly could. Maybe not? Well since you have a tank in your living room and naturally it shouldn’t be there, as in how Mother Nature perceived it. Have you considered all the elements, people speak of miracle mud, live sand beds, ‘live this an live that’ all to create an eco-system as close to the natural ways of the world. Well what about beyond that? Your pets live in water and the main controlling factor over water is…? Yep! He’s gone nuts!!… It’s the moon!!! So since you could not reproduce the tidal effect of your local area every 12 hrs etc, what about every week or month etc? I was wonderin if anyone has ever considered undertaking their water changes in relation to the moon cycle each month, i.e. when gravitational pull would be at its strongest or weakest? or other periods? It would be interesting to know if this would benefit the creatures in the tank, probably minimal if anything, but who knows? Wonder if its ever been studied? It may benefit them considerably???? I know many try to recreate the ocean with their wave machines, is this not just another step on?