calcium

Everyone knows one of the keys to successful coral growth is stable Alk/Ca. My question is, what is the real definition of stable? Are we talking about a rock solid unwavering alk of 9.5? or is bouncing around from 9 to 9.5 back to 9.2 , etc. ok? Here's my trident results from the last few...

Hanna Instruments 7 in 1 Marine Checker/Photometer ^ ^ II II II II Has anyone had any experience with one of these? I know they are new to the market; I don't even know if they are released yet...

40 gal dis. reef w 20 gal sump 2/27 Ph 8.2 DKH 11 3/4 PH 8.3 DKH 10 3/10 PH 8.3 DKH 10 3/14 Ph 8.3 DKH 10 3/14 Added G Bubble tip anemone and small drag of GSP 3/15 Ph 8.6 DKH 10 ( 10 gal water change after 8.6 reading) 3/16 Ph 8.6 DKH 10 Calc has stayed at abt 490 ppm Haven’t done anything...

Something strange is happening with my Red Sea Calcium Test kit. When I drop in the powder, some of it turns to little stones. And I’m guessing it is messing up the result since some of the powder is not dissolving. I bought the kit new less than one year ago. I follow the directions precisely...

I never got a chance to set this up and I am now out of the hobby. Everything is new except the PH Controller which I used for a few years. This set up is over $900 if bought new. $600 for everything. AquaMaxx T3 Calcium Reactor (This thing is massive) Kamoer Pro Stepper Pump Milwaukee...

Selling everything pictured for $140 add $20 for shipping for a faster response text me at (251) 599-8227

Hi all - trying to figure out what's happening with my water chemistry. I am fairly new at reefing and upgraded from a 40 DT nano to a 110 DT (525 Red Sea) about a month ago. Question I have is what would cause a significant decline in calcium from 410 ppm on 11/28 to 320 ppm on 12/12? Here...

So for a few weeks now my calcium has tested at 280-310 which I obviously would like to get up to closer to the 400-450 range. The only thing is my alkalinity has been fine at a steady 8.2. Is there a good way I can raise my calcium without it affecting my alkalinity?

Geo CR510 reactor Milwaukee MC122 pH controller (and old probe) ZRDR regulator This is all you need to get started except a co2 bottle, media and small feed pump. $300 ReefBreeders Photon V2+ 24". Includes remote and hanging accessories. $275 Bubble Magus Curve A5 protein skimmer. $120 All...

Decided not to sell.

Hi, I have a Fluval evo 52L (13 gallon) 1 kenya tree frag 1 plating monti 1 gsp frag 2 small clownfish So nothing heavy at the moment, looking to get some more corals in the future I had issues with phosphate/nitrate causing huge amounts of green algae that I now have under control by using...

Hey there, I've recently increased my tank pH and kH by using Soda Ash. I've noticed a significant drop in Calcium (from 500ppm to 155ppm). I understand that it's due to precipitation, but I don't fully understand why Strontium has dropped too... Despite being dosed, it went down to 2ppm while...

Hi there, I just checked my parameters and my alk and calcium are both very low: Alk ~5 dKH Calc ~350 I measured both with Hanna Checker. I ordered some all-for-reef to get into dosing but can I also just add a bit more the first several days to get around 8 dKH en 450 calc? After I get to that...

Hello, I would like to keep my macros on levels similar to Red Sea Coral Pro Salt (Ca 465, Mg 1390, kH 12) + raising pH to levels between 8.2-8.5 depending on the timeframe. Of course such levels significantly increase precipitation of minerals such as calcium. What can be done to prevent it...

Hey there, Following @Randy Holmes-Farley advice and BRS videos, I am keen on trying Kalkwasser as the key source of Ca, Alkalinity and pH increase. The primary reason is the fact that it is supposedly straightforward followed by lack of additional NaCl accumulation which would require...

Hello, First of all - thanks Randy for your contribution to spreading knowledge on this forum. Without you I wouldn't learn many things I have never heard about it, despite the fact I do not like going with the easiest and most common solution and thus I like to explore and experiment. I...

I’ve been in the reef game for a long time, but took a break for a while and just recently got started again. This time around I’m trying to make sure I really stay on top of water parameters, so I’ve been testing regularly. I started this time with a used tank from my dad, a Red Sea 350 and re...

Brand new never used Hanna calcium checker. Only selling due to having to shut down my tank to go to college. Asking $45 shipped but willing to haggle

Hello, I am having a weird problem. My calcium won't go down. I have been using tropic Marin all for reef for quite some time (powder mixed with RODI), and recently I've noticed my alk and mag are ok (9dkh, 1375 mag) but my calcium is 550-600 (usually 430-460). I lowered my all for reef dosing...

Hello guys, I’ve got a question regarding aquaforest calcium. They say to dissolve in 1L water and dose 100ml per 100L of tank water. Well my tank is 100L and me adding 100ml of water a day to raise the calcium by 18 is gonna make my tank overflow lol. They say you can make it concentrated so...

I'm sorry to ask this if it's stupid ☹️ but I really need help in how to use these...I tried and by the end I'm so frustrated because I don't understand and also I have a disability with numbers so this makes it harder ☹️

I have a 6 month old 65 gal mixed reef that I’ve been dosing with all for reef. I use the powdered form and mix it myself. Currently have mostly small lps frags but a handful of sps and softies as well. I’m waiting for my parameters to get more in line before adding in any more acros. Most of...

Hi, Today did some testing and I found that my alkalinity is pretty low. dKH: ~6 Ca: 470 Mg: 1440 Salinity: 1.025 pH: ~8 Nitrate: ~6 Ammonia and nitrite: 0 These testing results are 1 week after a water change. I use Tropic Marin Pro salt and a new batch of water has around 7,2 dKH. Should I...

Hello, I need a bit of help with the salifert calcium test. I can’t work out what the result is. I added in pretty much all of the Ca-2 until the water turned blue. I have attached a picture of how much I added and the blue water.

So I have my apex trident testing and I will post an image of my results for you guys. My alkalinity has been sitting at 6.28. My apex has been saying it is usually at that measurement for the last month or so, ever since I set up the trident. But I just did a test with my Hannah tester and it...