Matt_ Posted November 29, 2020 Share Posted November 29, 2020 I made a DIY aquarium test tube stand and drying rack today because I am tired of spilling my tests, breaking test tubes, and not getting my equipment to dry. The main focus of the build was to reuse as many materials on hand as possible to keep costs low (less than a $1 at this point). I used a leftover piece of PVC trim for a base, a wooden dowel for the stand, and metal closet organizer rubber end caps as the tips. I am planning to paint the dowels white and glue everything in place after I work out the kinks using it few more times. My impressions from the first few uses is that it is great and makes it so much easier to test the water. In use - its water change time: I am curious if anyone else on the forum has built something like this and has any additional tips. Also, reagent storage tips would be helpful as well. I have more bottles than something like the API master test kit bin can accept and would like to keep everything together. Thanks. 3 Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 @DaveSamsell built a color enhancer and he made test tube stand @Spewing_nonsense_ made a drying rack @StephenP2003 made a tray @Sliceofnature made a rack 3 Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 @Matt_, also - great invention! I may try and make this one. 1 Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 Wow! Those are some really cool test racks. The LED concept is amazing and the Lego drying rack is just out of this world (I have boys that just love playing with Legos)! I had seen a similar tray to the one that @StephenP2003 modified and had the same thought - you can just cut the middles out of the back holders and keep the reagent bottles in the holder, but I was too cheap and I do not trust myself with the reagent bottles over a fish tank with or without a holder. I really like the way that the API Master Test Kit rotated the reagent bottles in the container so that you can read them without using much space, so I may try to make something similar at some point. Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 A couple of notes on the build in case you want to try it or something similar. The PVC trim is 5" wide and 3/4" thick - still thinking about the final length. I used a 1/2" spade bit stopping about half way (when the bottom of the spade bit contacted the concrete garage floor) and reamed out (slightly enlarged) the hole for a loose fit. This created a shelf for the test tubes and an air hole in the bottom so that they do not get stuck in the opening. The dowel for the drying pegs is 3/16" dia. cut using a hacksaw on a scrap block and set about half way in the block using a 13/64" drill bit for a snug fit. 1 1 Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 This made water testing so much easier for me I can now more quickly gather nuggets of information like what today's untreated city water looks like. This answers the question of why was yesterday's water change raised the ammonia level in my QT tank. Today's untreated city water: 7.4 pH, 1.0 ppm Ammonia, 0.0 ppm Nitrite, 5.0 ppm Nitrate after running the tap for a few minutes 😞 2 1 Link to comment Share on other sites More sharing options...
Sliceofnature Posted November 29, 2020 Share Posted November 29, 2020 3 hours ago, Matt_ said: This made water testing so much easier for me I can now more quickly gather nuggets of information like what today's untreated city water looks like. This answers the question of why was yesterday's water change raised the ammonia level in my QT tank. Today's untreated city water: 7.4 pH, 1.0 ppm Ammonia, 0.0 ppm Nitrite, 5.0 ppm Nitrate after running the tap for a few minutes 😞 Aww man thats unfortunate. What area are you in if you dont mind me asking Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 @Matt_ This is what I have using up until now, but yours is better. It is white and holds from the bottom and allows for an integrated test card. 1 Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 41 minutes ago, Sliceofnature said: Aww man thats unfortunate. What area are you in if you dont mind me asking I am in Northern VA or NOVA for short. I am getting my city water from the Potomac River (I cannot wait until the city starts using one of the abandoned quarries as water storage 😱). I have only been keeping fish in this area since last December and I forgot how bad it gets in the winter. 1 Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 13 minutes ago, Daniel said: @Matt_ This is what I have using up until now, but yours is better. It is white and holds from the bottom and allows for an integrated test card. I am really flattered that you think my design is better to what you have in the picture! You have a really amazing setup already! Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 2 minutes ago, Matt_ said: I am really flattered that you think my design is better to what you have in the picture! You have a really amazing setup already! I was happy enough with mine until I saw yours! 🙂 This is one of my favorite parts of the forum. I am a better fishkeeper everyday because I learn something new on the forum everyday! 1 Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 I just ordered a 1" thick piece of high density polyethylene to use as the white base. 1 Link to comment Share on other sites More sharing options...
Sliceofnature Posted November 29, 2020 Share Posted November 29, 2020 1 hour ago, Matt_ said: I am in Northern VA or NOVA for short. I am getting my city water from the Potomac River (I cannot wait until the city starts using one of the abandoned quarries as water storage 😱). I have only been keeping fish in this area since last December and I forgot how bad it gets in the winter. Its interesting that the water quality would change with the seasons. I wonder why? Im a so cal boy, so i know nothing about real seasons. 1 1 Link to comment Share on other sites More sharing options...
Daniel Posted November 29, 2020 Share Posted November 29, 2020 6 minutes ago, Sliceofnature said: Its interesting that the water quality would change with the seasons. I wonder why? Im a so cal boy, so i know nothing about real seasons. I bet @KBOzzie59 knows! Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 I assumed that the part of the Potomac River they are pumping from is hitting the turnover temperature numerous times since it has been so warm this year in addition to all of the runoff every time it rains somewhere in the watershed. The trees are not drinking any more so the ground stays more saturated after every rain as well. 1 Link to comment Share on other sites More sharing options...
Matt_ Posted November 29, 2020 Author Share Posted November 29, 2020 1 hour ago, Daniel said: I just ordered a 1" thick piece of high density polyethylene to use as the white base. I can't wait to see how this turns out! Link to comment Share on other sites More sharing options...
KBOzzie59 Posted November 29, 2020 Share Posted November 29, 2020 31 minutes ago, Daniel said: I bet @KBOzzie59 knows! The bugs like warm water. Just like cycling a tank, the warmer the water the faster they reproduce. Generally if there is an issue in the cooler months it is possibly because there was some line maintenance and it is residual disinfectant, someone made a mistake, or there was an equipment failure somewhere in the process (usually disinfection or corrosion control). If it was a small mistake it could show a pretty big swing in water parameters and still be within EPA guidelines for reporting/alerting customers (still safe for human consumption). A provider should be providing their customers with a yearly water quality report, I can get mine online. https://www.skagitpud.org/media/hxfllcht/ccr2019.pdf 3 Link to comment Share on other sites More sharing options...
Aqua junky Posted November 30, 2020 Share Posted November 30, 2020 On 11/23/2020 at 3:51 AM, s1_ said: Perfecto. I have the same tank. I bought versa tops for 40b from petco and shaved them down 1/4" I just got done resealing mine. 19 hours ago, Matt_ said: I made a DIY aquarium test tube stand and drying rack today because I am tired of spilling my tests, breaking test tubes, and not getting my equipment to dry. The main focus of the build was to reuse as many materials on hand as possible to keep costs low (less than a $1 at this point). I used a leftover piece of PVC trim for a base, a wooden dowel for the stand, and metal closet organizer rubber end caps as the tips. I am planning to paint the dowels white and glue everything in place after I work out the kinks using it few more times. My impressions from the first few uses is that it is great and makes it so much easier to test the water. In use - its water change time: I am curious if anyone else on the forum has built something like this and has any additional tips. Also, reagent storage tips would be helpful as well. I have more bottles than something like the API master test kit bin can accept and would like to keep everything together. Thanks. Heres my massive kit and my DIY stand and yes I'm a test kit junkie! 2 1 Link to comment Share on other sites More sharing options...
cupanoodle Posted November 30, 2020 Share Posted November 30, 2020 (edited) I started a thread after I made this today, I should have just posted in here. It may be ugly, but I'm proud of it. Edited November 30, 2020 by cupanoodle 1 2 Link to comment Share on other sites More sharing options...
Matt_ Posted November 30, 2020 Author Share Posted November 30, 2020 Just now, cupanoodle said: I started a thread after I made this today, I should have just posted in here. It may be ugly, but I'm proud of it. This is great, I love it! I was going for functionality all the way for the rack that I built, and I definitely considered going with deck screws instead of the dowels. 1 Link to comment Share on other sites More sharing options...
Daniel Posted December 3, 2020 Share Posted December 3, 2020 On 11/29/2020 at 6:14 PM, Matt_ said: I can't wait to see how this turns out! Here is how it turned out. This is the 'sunlight' version. I am thinking of doing the @DaveSamsell 'light enhancer' version also. Holes for the tubes with a slot behind to hold the results card. More than a dozen tube holding holes so I can compare at least 3 tests simultaneously. Indirect light probably gives the best results. But sunlight is the prettiest. 3 Link to comment Share on other sites More sharing options...
Matt_ Posted December 3, 2020 Author Share Posted December 3, 2020 3 hours ago, Daniel said: Here is how it turned out. This is the 'sunlight' version. I am thinking of doing the @DaveSamsell 'light enhancer' version also. Holes for the tubes with a slot behind to hold the results card. More than a dozen tube holding holes so I can compare at least 3 tests simultaneously. Indirect light probably gives the best results. But sunlight is the prettiest. Awesome fabrication; you are taking this concept to next level! What did you use to countersink the test tube opening? Did you use a router to make the test card groove? Link to comment Share on other sites More sharing options...
Daniel Posted December 3, 2020 Share Posted December 3, 2020 My router skills are not that good. I sketched out what I wanted in program Fusion 360 from Autodesk and then used a Haas Mini Mill to fabricate it. Here is part of the rendered drawing. That little inner lip you can see in the drawing is just enough to keep the test tubes from going any further down the hole. But by having the hole go all the way through I have left myself to option of lighting from below. The bottom groove could potentially hold the LED light strip if I go that route. 1 Link to comment Share on other sites More sharing options...
Lemon Posted December 3, 2020 Share Posted December 3, 2020 On 11/28/2020 at 11:19 PM, Matt_ said: I made a DIY aquarium test tube stand and drying rack today because I am tired of spilling my tests, breaking test tubes, and not getting my equipment to dry. The main focus of the build was to reuse as many materials on hand as possible to keep costs low (less than a $1 at this point). I used a leftover piece of PVC trim for a base, a wooden dowel for the stand, and metal closet organizer rubber end caps as the tips. I am planning to paint the dowels white and glue everything in place after I work out the kinks using it few more times. My impressions from the first few uses is that it is great and makes it so much easier to test the water. In use - its water change time: I am curious if anyone else on the forum has built something like this and has any additional tips. Also, reagent storage tips would be helpful as well. I have more bottles than something like the API master test kit bin can accept and would like to keep everything together. Thanks. woah what are your nitrates! also @Daniel what is this thing and where did you find it? i've seen a YouTube channel called reefbuilders use something that looks similar for getting exact ml of water every time Link to comment Share on other sites More sharing options...
Daniel Posted December 3, 2020 Share Posted December 3, 2020 12 minutes ago, quirkylemon103 said: woah what are your nitrates! also @Daniel what is this thing and where did you find it? i've seen a YouTube channel called reefbuilders use something that looks similar for getting exact ml of water every time It is called a manual pipette. I own several, a 2.5 microliter, a 20 micro liter, a 200 microliter and the one I use most with fish the 1000 microliter which does deliver exactly 1 mL of fluid every time (if it is properly calibrated). I think @Brandy uses stuff like this everyday. When I first started, we pipetted by mouth and sometime you would get chemicals in your mouth, so these sort of pipettes were a great advancement. I don't remember where I bought mine, probably pipette dot com or some such. Any laboratory supply house carries these. 1 Link to comment Share on other sites More sharing options...
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