Zero Edge Tanks
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Grunfeld DIY Zeroedge
Grunfeld DIY Zeroedge
Water return riser. I cut openings (teeth) in the top of 1" pvc and glued a 1+1/2" cap on top. This is the limiting factor in how much water will leave the tank in a power outage. Zeroedge uses the tried and failed method of a mechanical backflow preventing device.
The coraline will eventually cover this to my satisfaction.
Grunfeld DIY Zeroedge
Water return riser. I cut openings (teeth) in the top of 1" pvc and glued a 1+1/2" cap on top. This is the limiting factor in how much water will leave the tank in a power outage. Zeroedge uses the tried and failed method of a mechanical backflow preventing device.
The coraline will eventually cover this to my satisfaction.
Grunfeld DIY Zeroedge
Grunfeld DIY Zeroedge
The rear trough with my simply flow quieting device (it's actually an old filter from my 12 gallon nano). Just have to clean it out every 5 days.
The side trough. I messed up and made this a bit too narrow and a bit to shallow. The fix was to weld-on taller acrylic and seal with waterproof caulk.
Tomorrow, I take delivery of my livestock. The tank has been corals only up to now. Been running for a year. Only inhabitant is a *itchy Clarkii female hosting in my RBTA which split about 3 months ago. Nitrates are 0; calcium is 460. I've waited long enough. Don't call the tang police, but I'm adding a juvenile O/S tang (yeah, I KNOW she'll outgrow the tank, but it's my fav fish); a school (4) of female disbar anthias; a red scooter and a royal gramma. I'm also adding a cleaner shrimp and 6 peppermints. Wish me luck.
Grunfeld DIY Zeroedge
The rear trough with my simply flow quieting device (it's actually an old filter from my 12 gallon nano). Just have to clean it out every 5 days.
The side trough. I messed up and made this a bit too narrow and a bit to shallow. The fix was to weld-on taller acrylic and seal with waterproof caulk.
Tomorrow, I take delivery of my livestock. The tank has been corals only up to now. Been running for a year. Only inhabitant is a *itchy Clarkii female hosting in my RBTA which split about 3 months ago. Nitrates are 0; calcium is 460. I've waited long enough. Don't call the tang police, but I'm adding a juvenile O/S tang (yeah, I KNOW she'll outgrow the tank, but it's my fav fish); a school (4) of female disbar anthias; a red scooter and a royal gramma. I'm also adding a cleaner shrimp and 6 peppermints. Wish me luck.
gotfish8
New member
They are cool tanks, but not for everyone. I had one for about 4 months before It got old, topping it off daily and cleaning the acrylic. Snails are a bad idea, I had one that positioned it's self on the outside of the tanks. Basically water streamed off the snail on to the floor until the sump was empty, then my picasso clowns were constantly going over the edge until they both met there doom
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It IS a PITA
It IS a PITA
I have to agree, got fish8. Sometimes this tank is a pain in the *ss. I solved the top-off issue by hooking up a direct ro/di feed thru the autotopoff.com system. I encased their float switch in a 3" pvc pipe with holes drilled in it. That stopped the short cycling that occurred when the water level in my sump return area would "wave" up and down.
You are 100% correct on the cleaning of the acrylic....however, I find that the outside surface is easily cleaned with a quick every-other day swipe with an acrylic safe pad. I scrape the interior with a credit card once a week.
I had a male Clarkii go over the side, but when I put him back, the female killed him...so that's why he went "overboard" in the first place.
Best use for this tank is for a clam/softie tank...great viewing and little trouble with things going over the side.
Your observation on the snails is correct, but I find that throttling the return flow down will result in the water still cascading into the trough as opposed to flying onto the carpet (so far).
By the way, your tank was beautifully done.
Grunfeld in Detroit
It IS a PITA
I have to agree, got fish8. Sometimes this tank is a pain in the *ss. I solved the top-off issue by hooking up a direct ro/di feed thru the autotopoff.com system. I encased their float switch in a 3" pvc pipe with holes drilled in it. That stopped the short cycling that occurred when the water level in my sump return area would "wave" up and down.
You are 100% correct on the cleaning of the acrylic....however, I find that the outside surface is easily cleaned with a quick every-other day swipe with an acrylic safe pad. I scrape the interior with a credit card once a week.
I had a male Clarkii go over the side, but when I put him back, the female killed him...so that's why he went "overboard" in the first place.
Best use for this tank is for a clam/softie tank...great viewing and little trouble with things going over the side.
Your observation on the snails is correct, but I find that throttling the return flow down will result in the water still cascading into the trough as opposed to flying onto the carpet (so far).
By the way, your tank was beautifully done.
Grunfeld in Detroit
Napervegas
New member
I think they are awesome for clams, corals, and anything that cant climb or swim , horrible for fish as they tend to go over the top. Mine was glass so the scratching was not an issue. Does require a hefty return pump and must be level to look clear. I had 2 of the little tunze propeller pumps for flow and did not have any issues due to them just had to aim them properly. They definatly look great with the " less is more" look IMO.
imcosmokramer
New member
great thread.
imcosmokramer
New member
I can't wait to see one of these in person.
erichatesmice
Member
I would NOT recommend getting this tank. I owned one for a year and it was a SERIOUS PITA. Every issue mentioned above is a valid point. In addition, customer support is also HORRIBLE. They give you the runaround for ages. Mines came with an Eheim 1262 pump, it arrived 5 months AFTER the tank arrived!
True story, recently the guys at ZeroEdge sent me a $150 part I never ordered. Turns out that it was for another guy in the same area. When he came to pick it up (yes he had to do that) he explained that he had been waiting for months for that one piece, and finally they ship it to the wrong guy!
Seriously these guys need to get their act together.
I got so fed up I turned it into a rimless.
True story, recently the guys at ZeroEdge sent me a $150 part I never ordered. Turns out that it was for another guy in the same area. When he came to pick it up (yes he had to do that) he explained that he had been waiting for months for that one piece, and finally they ship it to the wrong guy!
Seriously these guys need to get their act together.
I got so fed up I turned it into a rimless.
Squidhead9
New member
For those of you who have these tanks, what did you do to protect against a failure of the check valve in the event of a power outage.
Overflow....
Overflow....
Since mine is a DIY, and I don't believe in the use of mechanical devices as protection where water is concerned, I raised the returns to within 1" of the top of the tank and created a "mushroom cap" for the pipes. When a power outage occurs, my sump handles 90% of that volume and I subsequently plumbed a sump overflow to handle the balance (2 bulkheads in the side of the sump which overflow into an emergency 10g tank which is normally dry).
I realize that the stock set-up had low in the tank returns and a check valve, neither of which is a good idea IMHO. Once that valve leaks, and it will, the entire tank is going to drain somewhere.
Pics available on request.
Grunfeld
Overflow....
Since mine is a DIY, and I don't believe in the use of mechanical devices as protection where water is concerned, I raised the returns to within 1" of the top of the tank and created a "mushroom cap" for the pipes. When a power outage occurs, my sump handles 90% of that volume and I subsequently plumbed a sump overflow to handle the balance (2 bulkheads in the side of the sump which overflow into an emergency 10g tank which is normally dry).
I realize that the stock set-up had low in the tank returns and a check valve, neither of which is a good idea IMHO. Once that valve leaks, and it will, the entire tank is going to drain somewhere.
Pics available on request.
Grunfeld
