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09/07/2019, 08:45 AM | #1 |
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Specific gravity in tank is 1.028
I haven’t checked in a while but did today and noticed it’s 1.028.
Is this too high ? If so how should I drop it? I use Reef Crystals and also noticed how much brown stuff is in the mixing 50 gal container. Corals look great but should I clean the mixing tub ?? I hate to screw up a good thing right now. All is good with the corals.
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident Last edited by Johnic; 09/07/2019 at 09:10 AM. |
09/07/2019, 09:15 AM | #2 |
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I had tanks at 1.040 and none of the inhabitants looked as if they would mind it. Added RO to adjust it to 1.026 and again no fish, shrimp, or coral took offense.
Things like that actually happen in the wild quite often. In tide pools, lagoons, atolls, and other bodies of water that get frequently or occasionally cut off from the ocean sun and wind can cause significant evaporation and drive the salinity up within hours. How extreme it gets depends on the size of the water mass and the duration it is cut off from the ocean. When the connection is reestablish by the incoming tide or a spring tide, the incoming ocean water adjusts the salinity down again. Most lifeforms in the ocean can handle quite a bit of variation in salinity. BTW 1.028 is just about right for a Red Sea biotope. Sent from my XT1254 using Tapatalk
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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio 3 P. diacanthus. 2 C. starcki Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +... |
09/07/2019, 09:17 AM | #3 |
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Gotcha. I guess I’ll leave it but as I mix new Salk I’ll drop it the incoming down to bring the tank down.
Should I clean my mixing tub ? Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
09/07/2019, 09:44 AM | #4 |
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Can't hurt to have a clean tub.
Do it when you have time.
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250 gallon mixed reef, 2 Reefbreeder's Photon V 2, Deepwater BLDC 12, DAS EX-3 Skimmer, MTC mini cal, 2-3/4" Sea Swirls, Aquacontroller & 6 Tunze pumps. |
09/07/2019, 09:52 AM | #5 | |
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Quote:
Ya. Soooo I’ll confess. I put trust in my Milwaukee digital specific gravity device but I haven’t calibrated in some time and it was off by 1.002. Uggggg. I tested with my Sybon old school refract and the tank is 1.026. Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
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09/07/2019, 11:01 AM | #6 |
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I stopped using RC because of the "brown stuff".
Using Red Sea Pro, mixes clean, barrel stays clean, I hate cleaning buckets. Worth the extra cash IMM, Tropic Marin Pro mixed fast and clean as well. |
09/07/2019, 11:59 AM | #7 | |
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Ya I agree. But I hate to change something that’s working and corals look good. Changing salts is a big move. I get the rc on Amazon delivery to front door to for great price. Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
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09/07/2019, 01:18 PM | #8 |
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I'd probably lower the SG to 1.0264, but I agree that 1.028 is safe enough. For a 75 g tank, maybe replacing ½-1 g of tank water with fresh RO/DI once a day for a while should fix the situation quickly enough.
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Jonathan Bertoni |
09/07/2019, 01:29 PM | #9 |
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That's not my experience with Red Sea salt. If you don't clean the barrel every few mixes it encrusts quite a bit.
Tropic Marine is probably the cleanest, but definitely not the cheapest. Sent from my XT1254 using Tapatalk
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Pairs: 4 percula, 3 P. kauderni, 3 D. excisus, 1 ea of P. diacanthus, S. splendidus, C. altivelis O. rosenblatti, D. janssi, S. yasha & a Gramma loreto trio 3 P. diacanthus. 2 C. starcki Current Tank Info: 200 gal 4 tank system (40x28x24 + 40B + 40B sump tank + 20g refugium) + 30x18x18 mixed reef + 20g East Pacific biotop + 20g FW +... |
09/07/2019, 02:29 PM | #10 | |
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I used to use tropic marine and it’s def not cheap but very good. Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
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09/08/2019, 02:55 PM | #11 | |
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Gary 180 gallon, 40 gallon sump, 3 250 W MH + 4 80W ATI T5's, MTC MVX 36 Skimmer, Apex controller Aquamaxx T-3 CaRx Current Tank Info: A 2 Barred Rabbitfish, Red Head Salon, Yellow/Purple, McMaster Fairy, Possum, 2 Leopard Wrasses, Kole, & Atlantic Blue Tangs, 2 Percula Clown, 3 PJ and 1 Banggai Cardinalfish , Swallowtail, Bellus and Coral Beauty Angels |
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09/08/2019, 02:56 PM | #12 |
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Yes. And I calibrated the digital one too now. Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
09/09/2019, 09:08 AM | #13 | |
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09/09/2019, 09:40 PM | #14 |
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Oops, missed the part about the mixing tub. You can clean it when it gets gunky, but the precipitates are unlikely to cause any problems. It's mostly an esthetic issue.
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Jonathan Bertoni |
09/09/2019, 09:51 PM | #15 | |
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Gotcha. I haven’t cleaned it for years and it seems that it doesn’t affect the tank. One thing I realize in reef keeping is.... leave well enough alone. Still wonder what the heck that stuff is. Sent from my iPhone using Tapatalk
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75 Lee Mar Peninsula Tank, Reef Octo Elite 150, Custom Advanced Acrylic Sump, (2) MP40, Vectra M2 Main Pump, (2) XR15 Pro, Clear Water ATS CW-50, Alkatronic,GHL Doser 2.1, Apex Neptune El with Trident |
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09/11/2019, 02:38 PM | #16 |
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It might be a mix of calcium carbonate and some organics, but that's just a guess. The calcium carbonate would fizz if an acid like vinegar were added.
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Jonathan Bertoni |
09/17/2019, 06:40 PM | #17 | |
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Quote:
Then again, I mix only what is needed and deploy in 24 hours, I don't need to store salt water, since I have not stored, maybe this is where it encrusts? Strange, never encountered this problem. I did note that parameters became very predictable with Red Sea, each and every batch I make mixes clean, and so, so on point, no variances in over 2 years now. I am sure everyone has their favorite, one thing I have learned is you get what you pay for for most things, most, not all. |
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