- MAG Flake Manufacturer Claims about Suitability
- sulphur reactors
- Coral line algae
- What Do You Think About This
- Copper removal products
- pH Question
- Why Purple Up does work???
- What time to dose Kalk?
- cal reactor vs just kalk
- DIY Additives
- how do i bring down my carbonate hardness?
- Tropic Marin Salt not silicate free!!!
- lowering alkalinity?
- recommended test kits
- Benefit of Kalk
- LR contaminated?
- Sodium Carbonate Additions For pH????
- A suggestion to those that dose carbon.
- zeolite in reef tank
- Optimal use of calcium reactor
- anyone out there try there product ?
- Dupont calcium hardness increaser
- I made a BIG mistake
- sand clumping...
- printing
- Alkalinity not stable
- 2 water movement questions
- Fix ALK or CA first?
- Dosing Randy's 2 part
- Chemical Reference Standards for Testing Test Kits
- questions
- kalk storm
- It snowed in my sump?
- How much Randy's 2 part at one time
- ozonisers/redox and orp.
- Refugium Question
- phosphate in rainwater?
- silica removal ?
- Do you have to use a Kalk reactor?
- Why can't I figure this out???
- Auto top off-Which one?
- How toxic are boxfish??
- curious...
- carbonate hardness to alk conversion
- New genera of light-Sulphur lighting
- False Reading Salifert Ca Test
- really odd water parameters, something that I didnt even think possible
- another question Randy...sorry!
- Very low ph-6.32
- Aptasia problem
- Is this common?
- How fast can I raise Alk?
- Zeolites and diatom growth
- very diluted kalkwasser: Can I add it rapidly to my tank?
- What are common Reef tank chemical levels?
- Going on vacation. Need easy way to maintain cal/alk
- Calcium Chloride Search
- which photometers let you test saltwater
- Weird PH fluxuation?
- My feather caulerpa stopped growing and hair algae is everywhere
- Vinegar to limewater?
- my water is pee yellow!
- Lime water magnesium help
- Warning about Ocean Pure Pro Salt!
- Amount of Kalk to smother Aiptasia
- 2 Questions for Randy about the improved 2 part
- would iron filings work as an additive
- What is your drinking waters PPM
- Kalk to use or not?
- Fish ready?
- Kalk question??
- does a uv sterilizer kill necessary organisms in a reef?
- Do I Need to Add Mg?
- Mix Up
- Walmart super glue gel?? Reef safe?
- Whats in Instant Ocean??
- Ro + chemical X = good seawater
- Am I dosing too much?
- Hi Randy,
- Dosing
- I think my refractometer is bad.
- Worksafe ReefCentral
- Excessive bubble formation...
- Calcium questions????
- Randy, Please lead me to "Continuous Water Change" info
- Help With Ammonia Results
- I Want To Do This Right, Dosing Supplements.
- Ro Water Tds
- particle size of organics?
- Is it good to have ANY phosphate?
- Is it Possible to Over Skim?
- is phosphate my problem?
- Sun Gems Water Softener MSDS
- Ozone Question
- Let's see pics of your kalkwasser system
- Disposing of Muriatic Acid
- need some help w/params
- Ph hovers around 7.7-7.9 and can't seem to stay any higher??
- Recommend a complete salt water test kit
- Phosphate questions
- Boomer (a face behind the name)
- Ph swing question
- Kalkwasser Stirrer
- Trying to understand Calcium and Alkalinity in our reef tank.
- Reactor set-up question/ tank PH
- How can I set my ozonizer without ORP levels?
- Activated Carbon Usage
- calcium question
- Test kit recommendation
- Difference Between Joe's Juice & Kalk
- High Alk
- can my PH really be 7.51 mid day?
- Baking soda to raise alk??
- Nitrates at 50ppm and PH readings?
- Adding limewater now. What else should i use.
- Can I does my top-off and water change water with calc/alk?
- Is my pH swinging too high?
- Removing BIO Balls but then what?
- Zero Phosphate and High Nitrate
- Chem calculator...something doesnt seem right??
- help with pH!
- Should I be concerned w/ pH during cycle
- water changes
- Iron
- I need advice on increasing pH to combat dinos.
- PH porbe cleaning.
- Steelwool to help skimming question
- why is my sand hard????
- RO and watersoftener
- ro/di shocker---why does it build up charge?
- pH drop when nitrites climb?
- Calc reactor vs. dosing - what is better and why?
- alkalinity ??
- Ozone and Nitrates
- Congrats to Billybeau1!
- Ca++ supplement
- mark weiss reef vital dna?
- Boric Acid
- Brass fitting question
- question for Randy
- How much to dose? Two Part Addivite
- Randy-- SPS and pH
- photometer choose
- Several Chemistry Articles Have Broken Links!
- granular ferric oxide life?
- Boosting Calcium
- epsom salt thread, again
- Skimmer over skimming possibly related to kalkwasser?
- High Calcium Readings
- Did anyone else have to calibrate their refractometer?
- API "reef master" test kit?
- I have had PH over 8.5 to 8.7 all week?
- banking soda overdose, what to do?
- viniger question
- Mrs. Wages smells funny.
- Is iodine really necessary?
- Hey Randy ? for ya
- Testing carbon for phosphate leaching
- Basic Question: how to use Kalk?
- how much vinegar to add to ro water?
- calcium and alk
- best time of day to dose alkalinity?
- How is sand an ALk and Calcium Sink?
- Two part question
- new liter meter
- Alk is 0.
- Additives: Experience with Polyp Lab System Reef-fresh?
- Just bought a buncha tank stuff - anyway to make it safe?
- Best level for DKH?
- Ca and KH adjustments
- Is Coral Bleaching related to any "Chemistry"?
- ozone
- Should DIY Alkalinity Part Solidify After Sitting?
- Kalkawasser
- lime water mix for top off
- Two part additive
- Buffering RO top off water?
- Converting CaCO3 to KH measurement
- Can anyone help my buddy out?
- Too soon to put corals in?
- Need answers on perameters ASAP
- Phosphate Question
- Habib ( a name to a face )
- HELP understading my water parameters-NITRATE HIGH
- Mineral additives for lab grade RO/DI water?
- CA only
- dow Flake
- Large Plastic Containers
- HELP! Alkalinity off the charts
- Very High ALK... What are the dangers?
- Is this even possible?
- Okay what am i missing here?
- Water chemistry issue
- Calcium/Alk
- Expanding Spray Foam Insulation - Need Chemist's Input
- C-balance 2 part has anybody used ?
- How much limewater do you dose?
- Bio Ball Taboo?
- Recent pH drop
- surface area of macroalgae
- Red Sea Alkalinity Test
- Kalk equivalence
- magnesium chloride hexahydrate sold by the Dead Sea Works
- Help with calcium levels
- Magnesium calculation?
- Understanding chemical and harm to fish/critters
- Calcium/Alk demands of Coralline Algae
- need a serious solution for serious alge
- Doubling the potency of the two-part
- omega 3 for fish?
- Randy- question on Mag chloride.
- What DI tds to shoot for?
- Can tank temps influence cyano?
- what is the logic behind adding brown sugar?
- Is my salinity good(Newb)
- calcium polygluconate
- Quick and easy check for kalk saturation?
- ORP Level
- Drinking RO/DI
- Phosban
- Randy's 2 part question
- Kalkwasser vs Kent Liquid Reactor/ other calc suppliments
- Storing Randy's 2 +1 additives
- Chloramines and order of / choice of RODI filters - Am I right and questions...
- Alk Issues
- Aragamilk and Reef Soultions
- Rain water question?
- Chemicals for a fo tank.
- Cloudy Water
- can't get AK up
- Skimmer Flow Rate Help
- How do I increase calcium?
- Ocean's Blend Phosphate Remover(Ferric Oxide)
- Calcium and Alk Adjustments
- Marc Weiss F.O.R.M question?
- Nitrite problem
- Manganese Can Keep Toxic Hydrogen Sulfide Zones In Check In Aquatic Systems
- so it's one or the other, not both?
- Technical Calcium Reactor Question??
- Is Instant Ocean no good?
- Xenias and Carbon?
- ph at 8.8 isnt that too high?
- Corals not opening completely????????
- OT: Rusty Tools
- Mrs. Wages ?
- Conversions
- Can't Get Calcium Up
- Low PH this morning
- Hey Randy do i need baking soda with limewater?
- JBJ A.T.O or Aqua Medicsp 3000?