Built an Under Gravel Jet system
- Thread starter Luca Brazzi
- Start date
Luca, ok sounds good.
just one more question - what are you gonna do when you run out of things to build ? LOL
just read your sump thread - sound nice
just one more question - what are you gonna do when you run out of things to build ? LOL
just read your sump thread - sound nice
When I run out of things to build?
Hmmmmm... Lemme see....
Maybe Ill get a fish or two
Actually my next feat of DIY (other than building a much bigger tank of course) may be to monitor/automate certain things in the tank... Ive got 18 years experience in software design and electronics, and Ive been seriously eyeing some of the stuff at http://www.automatedaquariums.com/ Specifically Im interested in, Water level control/monitoring, flow monitoring, and dosing. My tank is in a position where its only one hole in the wall away from a water source and drain in an adjoining bathroom... maybe I can automate water changes and evaporation replacement, etc.
The fish are secondary to me actually (dont get me wrong... theyre great pets and I dig watching their behaviour, etc. but...). For me live, healthy fish will simply be the fruit of good system design...
Hmmmmm... Lemme see....
Maybe Ill get a fish or two
Actually my next feat of DIY (other than building a much bigger tank of course) may be to monitor/automate certain things in the tank... Ive got 18 years experience in software design and electronics, and Ive been seriously eyeing some of the stuff at http://www.automatedaquariums.com/ Specifically Im interested in, Water level control/monitoring, flow monitoring, and dosing. My tank is in a position where its only one hole in the wall away from a water source and drain in an adjoining bathroom... maybe I can automate water changes and evaporation replacement, etc.
The fish are secondary to me actually (dont get me wrong... theyre great pets and I dig watching their behaviour, etc. but...). For me live, healthy fish will simply be the fruit of good system design...
LOL- I could tell you really enjoy this DIY stuff. Thats great.
Actually I do recall reading some DIY plans on the web for automatic water changers/ monitors, but I can't recall where. They did sound very interesting if you had the right place for them (I do not). Have fun, I am sure you will design something good
A twist on the under gravel jets idea.
Hello all. I am new to the forum and was wondering if anyone has built an under gravel jet system with random holes drilled into the PVC tubing, similar to a an Eheim spray bar, instead of just a few jets. I am talking about the PVC buried in the gravel the same as the UGJ, not near the surface of the tank. I built one yesterday but am not sure what size holes to drill, I don't want too much pressure or too little either. I took the assembly outside and connected it to a garden hose and got what would be probably too much flow for the fish. It would be great if it would fit in the bathtub but my tank is a 125 gallon and the assembly is too long. The faucet outside is far different from the flow from my pump so that probably wasn't a good test. I found a number 29 drill bit, 0.136 inch, to be a perfict fit in my Eheim spray bar so I drilled about 40 holes with a number 46 bit which is 0.081 inch. My reasoning is that the Eheim spray bar only has 9 holes so I went with a much smaller drill bit so tht I could drill holes ever 4-6 inches in the PVC. I built this to go around the perimiter of the tank with 2 tees and 2 short sections of pipe front to back. The pump is a Rio 2100+ which, according to the box is 692 gph. I don't want this to be a trial and error affair because my fish are in the tank and I don't want to scare them any more than necessary. Does anyone have any ideas or experience with this? Thanks.:help:
Hello all. I am new to the forum and was wondering if anyone has built an under gravel jet system with random holes drilled into the PVC tubing, similar to a an Eheim spray bar, instead of just a few jets. I am talking about the PVC buried in the gravel the same as the UGJ, not near the surface of the tank. I built one yesterday but am not sure what size holes to drill, I don't want too much pressure or too little either. I took the assembly outside and connected it to a garden hose and got what would be probably too much flow for the fish. It would be great if it would fit in the bathtub but my tank is a 125 gallon and the assembly is too long. The faucet outside is far different from the flow from my pump so that probably wasn't a good test. I found a number 29 drill bit, 0.136 inch, to be a perfict fit in my Eheim spray bar so I drilled about 40 holes with a number 46 bit which is 0.081 inch. My reasoning is that the Eheim spray bar only has 9 holes so I went with a much smaller drill bit so tht I could drill holes ever 4-6 inches in the PVC. I built this to go around the perimiter of the tank with 2 tees and 2 short sections of pipe front to back. The pump is a Rio 2100+ which, according to the box is 692 gph. I don't want this to be a trial and error affair because my fish are in the tank and I don't want to scare them any more than necessary. Does anyone have any ideas or experience with this? Thanks.:help:
Musket, Im pretty sure it would take alot of some type of math Im not good at to figure out an answer to your question on paper. You could always use my method, just do it, and see what happens.
Drop it in the tank, cover it with substrate, adn turn it on...see what happens.
That said. Im interested in your findings, as I had the same idea.
Drop it in the tank, cover it with substrate, adn turn it on...see what happens.
That said. Im interested in your findings, as I had the same idea.
I decided to start another tank, a 40 gallon breeder, 36x18x16 inches. I cut the pipes to fit and it seems to be working fine, not too much water movement, so it shouldn't bother the fish. I am waiting for it to cycle so I can get some fish for it. The pump is a little loud so I expect to get another brand but not sure what to get.
Musket3 this might help with what you're trying to do.http://www.plantedtank.net/forums/diy/78505-rfug-blast-past-diy.html
