Timfish Posted February 24, 2013 Share Posted February 24, 2013 Here's just one more reminder nothing is permanant in a reef system. Had to replace this bulkhead fitting in an 8 year old system. It's a 1" and is constricted down to 5/8ths. As much as possible I try to design systems so stuff can be moved or changed with as little hassle as possible. Link to comment Share on other sites More sharing options...
ct67stang Posted February 24, 2013 Share Posted February 24, 2013 what is it? substrate? Link to comment Share on other sites More sharing options...
+KimP Posted February 24, 2013 Share Posted February 24, 2013 Dang, that's a lot of build up. Link to comment Share on other sites More sharing options...
Timfish Posted February 24, 2013 Author Share Posted February 24, 2013 Imagine that even plumping gets "parasites"! I'm pretty sure it's just a real heavy growth of a vermetid species of snail. Kinda interesting as there are some in the tank but they're fairly sparse. Link to comment Share on other sites More sharing options...
victoly Posted February 24, 2013 Share Posted February 24, 2013 looks like a combo of vermetids and abiotic calcium precipitation. Link to comment Share on other sites More sharing options...
dshel1217 Posted February 25, 2013 Share Posted February 25, 2013 dang I need to down my pipes next time i do a water change. Link to comment Share on other sites More sharing options...
(Bio)³ Posted February 25, 2013 Share Posted February 25, 2013 did you replace because of the blockage or due to another failure? Link to comment Share on other sites More sharing options...
Timfish Posted February 25, 2013 Author Share Posted February 25, 2013 @ Victoly - This was all snails. I've seen pipes with abiotic scale build up and the calcium has to be kept at saturation a long time in order for that to happen. With a T. squamosa with a shell 12" long growing about 3/4 - 1 inch a year as well as 4 Bubble corals with skeletons 5 - 6 inches across that's going to be quite a challenge on a system without a calcium reactor. There would also be scale build up on all the surfaces of the sump and plumping which there wasn't and the sand would be cemented together as well. @ Bio - This setup had two sump tanks because of a divider in the stand and the bulkhead was connecting them. I don't know if you saw Mikes sump but now I design sumps to be bolted together with large openings for water flow so when this happens it won't be as much of an issue. I had cleaned it out with a screw driver once last year but knew we'd be upgrading the tank so waited until it had to be dissassembled. Link to comment Share on other sites More sharing options...
esacjack Posted February 25, 2013 Share Posted February 25, 2013 well they picked a perfect place to be when it comes to food supply Link to comment Share on other sites More sharing options...
victoly Posted February 25, 2013 Share Posted February 25, 2013 Life finds a way ! Link to comment Share on other sites More sharing options...
Richard L Posted February 25, 2013 Share Posted February 25, 2013 looks like a combo of vermetids and abiotic calcium precipitation. Abiotic calcium precipitation you say? No doubt from the chronic aqueous emanation of calclium alkali. Link to comment Share on other sites More sharing options...
ckyuv Posted February 25, 2013 Share Posted February 25, 2013 looks like a combo of vermetids and abiotic calcium precipitation. Abiotic calcium precipitation you say? No doubt from the chronic aqueous emanation of calclium alkali. if i stay in arc im going to need a dictionary Link to comment Share on other sites More sharing options...
ct67stang Posted February 25, 2013 Share Posted February 25, 2013 looks like a combo of vermetids and abiotic calcium precipitation. Abiotic calcium precipitation you say? No doubt from the chronic aqueous emanation of calclium alkali. if i stay in arc im going to need a dictionary im sure there's a reef talk dictionary. i got lost too Link to comment Share on other sites More sharing options...
mFrame Posted February 25, 2013 Share Posted February 25, 2013 @ Bio - This setup had two sump tanks because of a divider in the stand and the bulkhead was connecting them. I don't know if you saw Mikes sump but now I design sumps to be bolted together with large openings for water flow so when this happens it won't be as much of an issue. I had cleaned it out with a screw driver once last year but knew we'd be upgrading the tank so waited until it had to be dissassembled. Link to comment Share on other sites More sharing options...
(Bio)³ Posted February 25, 2013 Share Posted February 25, 2013 Can't see the water pass way he is talking about in those pics mike Link to comment Share on other sites More sharing options...
Peter Gott Posted February 25, 2013 Share Posted February 25, 2013 That's so awesome. I love marine life. It's been finding its ways a lot longer than anything on the land. Link to comment Share on other sites More sharing options...
(Bio)³ Posted February 25, 2013 Share Posted February 25, 2013 I zoomed in and see it now Is there a gasket or just sheer pressure? Link to comment Share on other sites More sharing options...
Timfish Posted February 27, 2013 Author Share Posted February 27, 2013 A bead of silicone is laid down on one side around the opening and also around each bolt hole. One of the two sides has holes taped for 3/8" nylon bolts the other has hole just large enough for the bolts. You can't see it in these pictures but the third box has an additional piece of 3/4" glued to it to account for the plywood divider/support and has some holes tapped for 1/4" nylon bolts so an optional divider can be installed to set the water level in the first two sections without having to drain the system . The openings are 4" wide and 2/3rds the height of the sides so one or more sections could be setup with mud or sand without having to worry about it getting into the other sections. Link to comment Share on other sites More sharing options...
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