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https://fishofhex.com/products/overflow-box-kit-4x-3x4?variant=39575359029302
People 3d print overflows, I have not used them before but they look good for the price.
The reason I said drill the drain and go over the top with the returns, is because that size tank doesn't have that thick of glass. I'd be weary drilling 2-3 holes in the same pane. Also if the returns go over the top, they can stop the syphon, if you drill a syphon break. it will keep more...
It's not as hard as you'd think, practice one or two times on scrap glass. And I wouldn't drill returns, I'd just go over the top with them. I certainly wouldn't be scared to do it. I also have had good success in that size tank with a couple hob's or a hang on refugium.
I have done it immediately multiple times. They eat phyto. Or mine does anyway. They will be totally fine in my opinion. If you're going 100% dry rock.... I'd wait possibly, turning the lights off when things look ugly is a strong tool
I like mine. I'd just pick them off my glass every morning, every once in a while. Doesn't take long to make a dent in them and if they are "harvested" once in a while they got plenty to eat and pay no mind to your corals. I love them for a nano, because they keep the rocks very clean.
Smaller frags mostly, I'd go 50 gallon low boy with a 60 sump. Grow out, shuffling, organizing, inspection tank I'd do the 60 40. Thought a lot about this exact size setup plumbed upstairs to a Fowler tank.
I've ordered a bunch of times from Jay's reef bugs. They were good, cheap and alive. Had a problem with delivery once and they hooked me up with a free order. I'd definitely throw them some more business.
I love them, added them from Indo-Pacific sea farms, but the tanks 3 years old and I feed with a shovel, with no mechanical filtration, so I like to treat all my little cleanup Crew like cheato. Keep them trimmed.
Does anyone have experience with arrow crabs. I'm planning on getting one, putting it in a little 5 gallon nano I have and feeding him bristle worms from my main tank . My question is.... how reef safe are they? Can I put him in my main tank temporarily at first, to kinda knock down the...