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Old 09/25/2021, 10:15 AM   #1
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Join Date: Jun 2016
Location: Wisconsin
Posts: 110
Kalkwasser Dosing

Hi! I have a 20 gallon fusion nuvo with 2 clownfish, and 1 BTA. I have a very low nutrient system. My tank was running for 3 months at a previous apartment and now I set it up in my new apartment, itís been running here for a month. My pH is all over the place from 7.9-8.3. I tried opening windows but it still fluctuates. Especially after I dose microbacter clean it drops to 7.9 and then comes back up to 8.0-8.2. My DkH tends to drop from 8.9-8.3 ish in a weeks time. Iím trying to stabilize my pH and DkH so I decided to do it with kalkwasser. I have 1 gallon mixed with 1/3 scoop of BRS Kalkwasser. I am just wondering without any corals in the tankÖ but my DkH still drops (salinity is maintained at 35-36 with ATO and Apex) How much is okay to dose in a 20 gallon tank in 1 day at the low concentration mix of Kalk? I set it to 5 mL per day spread out with .5mL doses every half hour overnight. Is it not enough or too much to make a difference? is offline   Reply With Quote
Old 09/25/2021, 10:24 AM   #2
Vinny Kreyling
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Join Date: Nov 2002
Location: Miller Place, NY
Posts: 7,116
Years ago a wise man told me to use Kalk in my make up water.

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.
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