I went down the hybrid route a few years back at one of my rentals, and yeah... messy is putting it mildly. Between maintenance headaches and tenants not quite getting how to use it properly, it turned into more hassle than it was worth. Ended up simplifying things later on and haven't regretted it since. Curious though, how often do you find yourself needing to top up your rainwater system from mains during dry spells?
Had a similar experience during my apprenticeship—hybrid setups can get messy fast, especially if folks don't fully understand them. Rainwater's safer IMO, but even then, during dry summers we topped off from mains maybe twice a month... kinda defeats the purpose a bit.
I get what you mean about hybrids getting messy. When we moved into our place, the previous owner had installed a greywater recycling setup that looked kinda DIY-ish, and honestly, it made me pretty nervous. I ended up disconnecting it altogether after noticing some weird smells and questionable plumbing connections. Rainwater harvesting seems safer to me too, but yeah, not ideal if you're still tapping into mains during dry spells... kinda undermines the whole sustainability angle.
Yeah, greywater setups can definitely get sketchy if they're not done right. But honestly, a properly designed greywater system can be pretty solid—it's all about proper filtration and making sure you have the right plumbing connections. I've seen some DIY setups that were disasters waiting to happen (weird smells, leaks, you name it...), but I've also come across professionally installed systems that run smoothly for years without issues.
Rainwater harvesting is simpler, sure, but like you said, relying on mains water during droughts kinda defeats the purpose. Maybe the key is having a decent-sized storage tank or cistern to bridge those dry spells? Or even combining rainwater harvesting with a well-designed greywater system that's professionally installed and regularly maintained could give you the best of both worlds. Has anyone here actually tried running both systems together successfully without things getting overly complicated?
I've actually found rainwater harvesting to be more reliable than some folks here are suggesting. Sure, droughts can be a challenge, but if you size your cistern correctly and manage your water usage carefully, you rarely need to fall back on mains water. I've been running a rainwater system for about five years now, and even during dry spells, we've managed fine by being mindful of our consumption.
On the other hand, greywater systems—while great in theory—can become maintenance-heavy over time. Even professionally installed setups can run into issues like clogged filters or pump failures if you're not diligent about upkeep. I had a neighbor who invested quite a bit into a high-end greywater recycling system, and after a few years, he ended up spending more time troubleshooting it than actually benefiting from it.
Not saying greywater isn't worthwhile, just that it's not necessarily simpler or more reliable than rainwater harvesting in practice. Maybe the sweet spot is keeping things straightforward—fewer moving parts usually means fewer headaches down the road...