Just bought this 120 gallon tank comes with everything. Going to use my coral blade light and use the old rock and sand. How many gallons and how often should I do water changes on it? Any recommendations or ideas would be great. Going from a 40g to this is a big change for me
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@billy
216d
I’ve got a 160g system. I do about 20g water change every 2 weeks. How often can depend on your nitrates and phosphate if getting way too high and need to lower them I’ll do once a week. I’ve even gone several months without a change but then I notice the tank starts to look bad.
@cousi
215d
Great, thanks bro! What’s your opinion on how long the cycling will take if I use the same sand and rock
@billy
215d
With same sand and rock it’s probably already cycled. Honestly I started my 120g tank and put clownfish in on day 3. The water volume is so large that your ammonia won’t get that high. Also adding some turbo start beneficial bacteria is always good. Though it took me about 4 months to successfully grow coral. I killed a bunch at first. Just make sure your parameters are stable and don’t buy too much at once!
@cousi
215d
Great information, big help. So you don’t suggest moving over some of my soft corals like gsp and zoas to the tank for awhile?
@billy
215d
Oh sorry missed the part where you are upgrading. Yeah you can move everything to the new tank no worries as long as you have your live rock you are golden. In my case it was my first saltwater tank ever. People don’t recommend transferring sand as it can be a nitrate bomb when you stir up all the trapped debris. I’d either clean it really well or just buy new sand.
@cousi
215d
Billy you’re the man! I think I’m going to try and wash the old sand in ro water to save some money
@billy
215d
I recently did a tank transfer and just washed my sand with tap water from my hose and then let it dry out for a couple days. I half filled 5g buckets with sand and the stuck the hose in the bucket and let all the nastyness come out. Kinda took a while but worked well. You’ll need a lot of water so I think the hose is fine 🤷♂️
@SpicyAlgae64
216d
That tank is begging for some coral! Love the upgrade though
@DjMedic
216d
All that for only $300?? Dang bro that's a steal and I'm totally not jealous over here with my 40 gallon.
@cousi
216d
Thanks bro!! And yeah I had to grab it. My fish store for over 25 years is going out of business and selling everything for a steal
@DrJube
215d
Always sad with LFS goes out of business. Keep us updated on your new tank! Can’t imagine having 120 gallon tank. I can’t see myself do it unless I can automate water change.
@CrimsonPetal65
216d
Congrats on the upgrade! That 120g is a sweet jump from a 40g. I love seeing live rock in there already. It gives you such a good foundation for bio filtration and bacteria. I’d be curious to know if you plan to reuse the old sand or start fresh. When I set up my bigger tank I rinsed my old sand like crazy to avoid any nutrient spikes. For water changes I usually stick to 10 to 20 percent every week or two but honestly a lot depends on your livestock and how much you feed. If you’re running mostly fish for now you could probably get away with a little less but once you get into corals
@cousi
215d
I did plan on using the original sand that is in the tank already. Do you suggest cleaning it out with ro water first?
@CrimsonPetal65
215d
Yeah I’d totally rinse it with RO water first! It helps get rid of any old gunk and keeps your new setup
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big upgrade! congrats