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  1. If you have a dosing pump that does not have a calibration feature (like the Bubble Magus or Jaebo), you can still calibrate your pump with a little basic math! Even better is that it doesn't take much more effort than calibrating a pump that has the calibration feature. This is something you should do periodically - maybe once or twice a year, every time you replace the head or components, or if you change fluid types - and shouldn't take more than 10 minutes per head. You will need to complete each step for each dosing head! Step 1: The Setup Fill a small reservoir of water (anything more than 1 cup will work) that runs to the input on your dosing pump. On the output side of your dosing pump, set up an accurate measuring cup. I'm just using a Pyrex measuring cup, but if you have something more accurate like a graduated cylinder, use it! This is what it should look like: Step 2: Prime Make sure your pump is fully primed. That means after you get water flowing, letting it run for a full 30 seconds. Any air bubbles caught inside are going to throw this exercise off. After it's primed, make sure your measuring cup is totally empty (just pour it back into the reservoir). Step 3: Get a Baseline Set your dosing pump to run 100ml in a single dose and run it into your measuring cup. Record this number - it's your baseline. Is your baseline exactly 100ml (or close enough)? If it is, congratulations you are done and your pump was calibrated correctly. If it isn't, we are going to start calibrating. Take the number that you just got and divide 100 by it - this is going to be your starting calibration factor. For example, if you got 73ml instead of 100, your rough calibration factor would be 1.37 Step 4: Refine your calibration Now we are going to attempt to get exactly 100ml of out our dosing pump by multiplying 100ml by your rough calibration factor. Using my example above, set your doser to 137ml. Now run it three times, recording exactly how much your dosing pump dosed out. Lets say you got the following doses: 104ml, 105ml, and 103ml. Looks like the original calibration factor was off and you'll need to adjust it down slightly by a little over 4ml. Since we know that the dosing pump doses out only 70% of what you set it to, we'll pick a happy-medium of a 5ml adjustment on the doser. Using my example, that would leave us with a final calibration factor of 1.32. Write this number down on a Post It and stick it to your pump - this is what you will multiply your dose by to get the exact dose! Step 5: Verify Multiply 100ml by your final calibration factor a couple of times to ensure you get exactly 100ml (or extremely close). Make sure your math is correct! Using my example, if I needed to dose exactly 9ml of an additive to my tank using pump 1, I would simply multiply that number by my calibration factor of 1.32 to get 11.88, which I would round to 12ml. This is what I would set my doser to.
  2. We sold out of the Neptune Systems Trident 🔱 in about 10 minutes this morning. The good news: we'll have more on the way soon! If you're interested in picking up a Trident, click the "notify me" button on this page and we'll send you an email once they return: https://mdshop.us/Trident
  3. Hey guys quick question - Can you dose Part A, B and Mag with this product ?!? Seems as if this reefer got amazing growth with the stuff - and that purple cap wow! Replenish Trace Elements http://brightwellaquatics.com/products/replenish.php Rare Purple Monti Cap grown using Replenish http://reefbuilders.com/2018/06/06/how-to-grow-the-most-intense-purple-rim-monti-cap/
  4. Mido

    water Chemistry

    hi guys so it has been 2 months now since i started adding coral frags( zoas, trumpet, duncan, chalice, blue ridge, plays, gsp) and a big rhodactis colony ( 20 heads) there is some algae but not terrible, 34 Gal AIO tank two clown fish i feed LS pellets, mysis shrimp every other day reefroids every week parameters are nitrates 0 phosphates 0.01 calcium 480 mag 1290 dkh 7-8 i use sachem vibrant sea salt my question is i would like my magnesium to be close to 1500 but my calcium is already high any suggestions?
  5. Hi everyone. I've been having some problems with low alkalinity over the past while (a month? Two months?), and have been posting about it on my build thread, but it's time to get a wider spread of opinions on this. My tank is a 2.5 year old biocube 29, biweekly water changes of 16l with RSCP. The tank has softies, LPS, and several types of macro. I tested alk a while back and it was at either 5 or 6 (can't remember). Oddly enough my coral all looked fine because it was stable I guess. The trend became that I would do a water change which would raise it 1dkh, and by the next water change (a week later, I upped my schedule to weekly from bi-weekly to try and keep up with demand) it would have dropped 1dkh. It was clear that water changes wouldn't be enough to keep alk up so I ordered Seachem Reef Builder to begin dosing. I measured consumption for a week and came back with 0.2dkh/day. I raised my alk to 7, and planned to dose the 0.2dkh/day to maintain it. Alk started dropping faster once it was at 7 though, so I started dosing more to make up for the new daily loss. @stellablue suggested that I keep alk at 8-9 for my LPS, so I raised it to 9. Now here's where it gets kind of weird. It started dropping really fast. Between doses I'm sometimes losing up to 1dkh. I don't think that's from the corals, it's maybe 50% LPS (not even probably). I just ordered a salifert Mg test kit and Kent Tech M (in case I need to dose) which should arrive next week. In the meantime I'm letting alk fall a bit everyday because the higher I keep it the faster it drops and the swings are really pissing things off (like to death ). Does this sound like a magnesium problem or something else? I forgot to add that my calcium seems to stay stable at 425-435, although I haven't tested it in a week or two. I can do that when I get home (out of town until Monday). I wasn't dosing for calcium because it wasn't dropping, but it was brought to my attention by @teenyreef that I should be dosing for both, so when the alk thing is sorted out I'll see where my levels are at and figure out how to dose. Thanks for the help
  6. Marine Depot

    Red Sea Rewards 🎁

    Red Sea Rewards 10x Points on Red Sea Supplements!
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