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- Alk either 9.5 or 6.4 dkh. What is wrong?
- Sulfur denitrator and CO2 too?
- kalk needed with calcium reactor???
- phospate reactor use
- 2-part Alk Calcium supplement causes tank fizzing
- Calcium Help!
- Kalkwasser drip
- Red sea salt? ANy good.
- High volume AND High TDS RO/DI issues
- OT: New Job Title for Randy
- Reefcrystal chemistry
- tds readings??
- How do you lower your Calcium levels
- bleach
- Seachem Prime? How often?
- Tap Water and RO/DI
- Is Well water better than City Tap??
- Iron causes lymphocystis disease?
- Help me decide on a science fair project
- Coraline Algee
- Starting an LPS and SPS tank... what supplements should i be adding?
- Krylon Fusion
- pump contamination?
- Adhesives
- kalkwasser causing Cyano?
- raising Ca
- Do I need a new ph probe?
- Phosphate Question.
- calcium and or alkalinity
- Help With Ca Reactor Dilema Please
- pinpoint calcium monitor worth it $?
- Calcium Monitoring
- Clarity of tank water
- Maximum Alk dose for a 2-part per day?
- Limewater parameters?
- Kalk plus calcium supplementation?
- Which brand salt?
- randy have you ever used one of these to test your phosphate
- GFO Phosphate media
- Mixing different salts
- Nitrate Factory?
- Removing Bio Balls from sump for coral??
- ph still at 8.8 need help w/soda water
- Critical measurements?
- How do my water parameters look?
- Mineral mud?
- R.O. Unit and Soft Water
- alkalinity problem
- questions on magnesium chloride
- SG Rising
- afordable pH reader
- dowflakes problem
- Most accurate test kits
- 2Questions about adding Mag flake and the volume calculator
- Live Rock Curing
- ph calibration
- everything is pink
- Chelated vs. Non-Chelated Calcium
- low readings
- Vodka as a carbon source
- Dosing Iron..
- Salifert v.s. Hach
- Pump and Maintenenace Question
- TDS meter calibration fluid
- How much Ca can I add??
- Test Kit
- Ozone question
- Hach PO-19 phosphate kit.
- Water Glass and Kalkwasser
- Vinegar and kalk works!
- looking for glass hydrometer temp chart
- alk test kits measuring in ppm
- CA ALK issues is this a major issue
- low ph, high calcium??
- Help! Setting up my new 180G and the water has a weird smell
- How much Mrs. Wages.
- Question regarding salinity.
- Red Slime Remover/Killer
- raising magnesium
- A compatible test kit for Amquel?
- Distilled Water Top-Off? Kold Ster-il opinions
- Measuring SG Hydrometer > Pinpoint Monitor?
- waiting for alk to drop, stop dosing Kalk?
- Ammonia in tap water!!
- calcium reactor output high
- snails / starfish / shrimp dying / die
- Formula(japanese) salt any info??
- High CA, Lower Alk using 2 Part, Formula 1
- RODI or not?
- DI Resin Capacity
- replacing skimming gunk
- Brown algae problem
- How much kalk to dose in one day?
- Cludy salt and bleaching from Korallenzucht salt
- TDS Of My Makeup Water
- Easy way to measure 25mg of Interceptor?
- keeping steady levels with water change
- Water Chemistry and Skimmer
- Doomed??
- Getting ready to start Randys 2 Part!
- uv sterilizer
- dosed too much iodine, help!!!
- kalkwasser / auto top off
- How long until Carbon needs to be changed?
- The Copper Debate?!?
- DSB and dead spots
- PO3 Phosphate problem!
- How to increase Calcium?
- Water analysis report
- What can I do.
- low PH problems
- Why are chloramines so bad for R.O.?
- Baking Soda vs Washing Soda
- Phosbuster pro
- RO saltwater question
- Red Sea Coral Pro Salt Mix
- Why has my alk level stagnated?
- Help with Red Sea test kits
- Calcium to high
- Cant keep control of alk when using limewater?
- So what are your ppm's?
- false nitrates
- reducing pH to test for phosphate level
- source wanted for bulk purchase of calcium hydroxide and ferric oxide
- Hach and LaMotte Nitrate Kits
- Randy's two part dose help
- Little help with dolomite...
- alk ?'s
- The ONE reason why I'd leave this hobby behind
- reducing ALK water change
- Anyone have any good water plant stories?
- Two part help
- Vodka to lower Nitrate Levels
- Couldn't find Dowflake-will this work?
- Whatever happened to Craig Bingman?
- dripping kalk and calcium reactors
- Alk way too high, need help!
- Saturation
- cycling water parameters?
- Yes/no Amquel with Formalin
- ph problem
- refractometer question
- potassium permanganate effects on GFO
- Reef safe water sealer?
- Kalk mixing how much
- Recipe #1, Part 2: The Alkalinity Part
- Crystal Sea® Bioassay Laboratory new Formula
- Ca+ reactor to top-off H2O?
- DI rinse
- steel shot in fish only tank - rust a problem?
- Nitrates in a mixed LPS/SPS
- Mixing kalkwasser with soda water.
- CO2 and Alk
- Randy is this Calcium Chloride ok for use?
- Is this the kalk i should order?
- Phosphate remover question
- Activated carbon
- Hach PO -19 test kit readings
- My refractometer is way off when testing with Pinpoint 53mS calibration fluid
- Kalkwasser Poll
- What would cause this???
- High alk and low PH?
- how to figure out top off
- opps read the test kit wrong HELP!
- Alk tests disagreeing
- alkalinity
- Effluent and/or Ozone into a skimmer
- hair algae
- GFO effect on skimmers?
- alk. lower than calc.
- Low magnesium and low PH
- Slightly confused on two part recipe.
- What additives promote coraline growth?
- How do I fix low salinity?
- Water Glass (Sodium Silicate) Concentration
- Awkward TDS reading from top-off water
- Recipie #1, part 3A
- Magnesium Mixture: Randy's 2 Part DIY
- assuming I want to add Kalk to my tank....
- High Nitrate issues
- Kalkwasser substitute
- AquaC Complete 2 part supplement
- Salifert test kits
- Eye Drops, Volume of 1 Drop?
- Expiration of Trace Elements
- Help! My pH is 8.7 and rising!?
- Boy, I almost messed up
- Will cooper kill zoanthids?
- Few Basic Kalkwasser Questions
- help with dosing Calcium
- Ozone help! Ozone causing Headache??
- how much purple up do I need for cycling for my 130g system for one month?
- TDS readings, is this bad?
- purple and red mushrooms melting?
- tecinal dificulties in text
- kalkwasser Question.?
- Magnesium chloride hexahydrate
- Stink grey sand under corals???
- Looking for a PO4 a nd NO3 test
- Some question about calcium carbonate
- Help Please
- DIY Rock Curing: Chemistry Help
- tapwater and water conditioner
- Skimmer is in Overdrive
- diatom filter media
- Amino's
- Salinity level effect Ph?
- Co2
- Elimiphos, This time I will ask BEFORE I buy
- Phosphate and Calcification
- Co2?
- new quarantine tanks and nitrite
- Using freshwater test kits for saltwater
- Starting to use Randy's two part.
- would putting slate in my reef tank cause any chemistry problems?
- Anyone have a brown slime covering almost everything before?
- ph problems
- Bound Phosphate?
- "static guard" reef safe?
- Best to test Ca, Alk, Mag day or night?
- Sea Lab #28?
- Calcium at 860
- what about dropping a mineral pill, eg, mg, K, into the sump to dissolve?
- Very low Ca level effluent from reactor
- UnHealthy sand?
- Low PH, Kalk a possible remedy?
- Major issue, salt I think
- Calcium Reactor Questions
- Calcium And Alklanity Problems
- Buying a TDS meter - what should I look for?
- Storing Dr. Randy's DIY 2 Part Supplement
- What is the self life of the Salt mix?
- i need help!!!!!!
- TDS in the aquarium
- phyto additives...
- Potassium calibrating mix
- Phosban Vs Rowa Phos?
- RO/DI water and TDS
- test kit shelf life
- Question on magnesium
- Impact of mild Alk swings?
- Bad batch Tropic Marin Pro Salt-Question
- Please assess/interpret my readings
- Questions on Cyanobacteria and treatment methods
- baked baking soada
- How to make DIY LR?
- help with alk & PH
- A Question on Limewater
- new guy. help with ph and nirate levels!
- Low pH High dKH low CO2 High Ca
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