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1 1/2"-2". Especially if you have a wrasse that buries themselves, goby, jawfish, or dartfish.thanks, that calculator is useful. whats a good sand depth?
Here is when I had a 40B with 40lbs of liver rock, 20lbs of live Hawaiian black sand, and 30lbs of salt and pepper mix of aragonite to help keep the pH stable and higher, Reef Octopus BH1000, Fluval C4 & 50. Two Jebao SW-4 wave maker pumps. JBJ Trinity T5 w/ ATI Blue Plus, Coral Plus, Blue Plus, and True Actinic.Alright so with that handy calculator i'll need about 40lbs. So with all the helpful suggestions so far i think it's between the ecotech xr15w or the hydra 26
the radion xr15 looks sweet, that would top out at almost 500. would one even be enough? the hydras do look like the ones i'm gonna end up getting. but ughh, between that the ai's and the radion...which i've been looking at, they're all so close in price. i just want something thats gonna be worth it.
the radion xr15 looks sweet, that would top out at almost 500. would one even be enough? the hydras do look like the ones i'm gonna end up getting. but ughh, between that the ai's and the radion...which i've been looking at, they're all so close in price. i just want something thats gonna be worth it.
. Then ask one of their Marine biologists to see how they set up their tanks and what they use. Not only is the advice on here very good, but we don’t know what we like until you see it. Some local fish stores only have radion or hydras. Most aquariums have almost a little bit of everything to see. See what you like and fall in love with. After you see that, then it may be a good time to see what kind of a tank you want in your home.I didn't even notice the radion needed the controller, i thought it was wifi enabled right out of the box. ok that does it. the radion i'm sure has more options....but i still have so much to get. And hopefully 425 for the light and bracket can get me a half decent setup with some options. My tank is rimless btw. Does the hydra come with, idk how to pout this, but light options or setups that can make picking a light profile??? easier? And thank you Sarah, i'm getting there. This has been so helpful to narrow down a huge field of options to a handful
+1 about the lights. That's a personal preference and people have great success with either LED, T5, or MH. If you want to get into the technicals. I would say go with T5s. Plug and play and you only need timers that you can pickup at Homedepot. Why you want T5s is it is just better. You can take $22 light that works for a $100 fixture or $20,000 fixture. With LEDs, you get what you pay for. What has been mentioned to use for LEDs is the best bang for your buck. But I will say this what has been said to me since day one,"have you ever heard of an LED tanning bed? They use T5s. Why would you want to use anything else besides what we use to emulate the Sun the best." I couldn't argue with logic like that. So I was sold. With the BRStv videos about the differences between LED and T5. It was kind of a no brainer. You want to make sure the underside of the coral's zooxanthellae is getting proper lighting also.
6-8 months is a myth now. BRStv did a study. You can go a year easy and lose 13%. Which isn't much at all. They are in the process of doing another simulation of another year's worth of use with the same bulbs that should be done in another 3 months and then they will make the video for it.The problem is that with T5 fixtures there is a huge variance in the frequency and expense of replacing bulbs. Higher end T5 lights don't need as frequent of a bulb replacement (ie every 18 months) but cost more to purchase up front. The cheaper fixtures are definitely more affordable than a Hydra 26, but with bulb replacements every 6-8 months you are going to go broke in buying replacements. Furthermore I would say that the gap between T5s and high end LEDs has narrowed considerably in the last few years. I would say where T5s make the most sense are if you are in the realm of the Pro series radions. IMHO they would be a better investment at that point for the higher end T5s. In addition he would not be able to use the T5 fixture or bulb when he upgrades, whereas with the Hydra HD, he simply buys an extra light (or two) and an extra mount and is good to go. The fact remains that the Hydra HD is a great fixture that will provide good growth for 80-90% of the corals out there (basically it will provide good growth to all but the most difficult or demanding of the corals) with lots of options to customize the look and feel of his aquarium and he never has to worry about a bulb replacement cost.
OKAY, so he buys 1 at $425. 5 years later he is at $850. Plus the mudule. So about $900 for 1 light in 10 years. When you can have T5 with great bulbs for 10 years at $179. Plus he can pay less for the up front cost, have better quality, and have anything in his tank that requires photosynthesis.It's a myth, WITH GOOD T5 lights (which generally cost $200 in his size range). He was going to do a single Hydra 26HD, so $425 is the total cost with the mount.

