- There are way more bacteria in seawater than people used to think
- Silicate and Diatoms
- Selcon causes my skimmer to stop producing?
- Rotten Egg Smell From Denitator
- Decorative sea shells in tanks? Chemistry?
- name brand of Magnesium?
- Problems with Calcium and Alkalinity
- Calcium levels
- Ca reactor set up. Now what?
- PVC cement
- Randy
- Those using conductivity for salinity determination
- calcium levels to high
- Alk problem (yes, another one)
- Randy Holmes-Farley Will Be Speaking At MACNA 16
- Randy Holmes-Farley Will Be Speaking At MACNA 16
- Copper in Rocks?
- Refractometer and salinity conversion
- Roofing material got into tank
- Randy- My City water Mineral Analyses for 2003
- How do you control phosphates?
- water test parameters question
- Where to Store Test Kits
- Low Calcium + high PH
- Kalk not dissolving 'crystals on top of water' :-(
- Which salt is the mostly balanced and closest to the sea?
- What is Az-NO3 (i.e. how do the fluids that remove nitrates or phosphates work?)
- Sulphur denitrators - looking for more info on those...
- Alkalinity drops faster than Calcium
- Does higher levels of ca and alk make you water clearer?
- Raising Calcium, how fast?
- Carbon or synthetic?
- I can't think of the word....It starts with a "C", I think...
- 420 calc, 4.9 alk, dead plate
- water problems
- What's the scoop with GroTech A,B,C supplements?
- Boosting Alk through additions to Limewater?
- Ammonia test - why is it purple?
- Need a solution for PH/Alk
- Can CA reactor and Kalk reactor use same return line?
- calcium reactor
- sand bed clumping
- Question for Randy
- Whats the right mL to prog. in doser
- Help! High dKH
- How does activated carbon work?
- Will carbon remove nitrates and phosphates?
- Cheap DYI for Denniballs ?
- Urgent help!!
- Chlorine and me
- Bi-ionic Max??
- Adding Kalkwasser to tank
- High PH / how much vinegar
- Can I use Kitchen vinegar ?
- alk very low
- Perfect Parameters and Additives
- Heat pack in tank...Oh my!
- baking soda to washing soda?
- Tank Problem
- made a mistake dosing....
- Kalk
- Why Don't I Need Supplements?
- Another Alk Question
- Oceanic Sea Salt Mix
- Refugium will not grow macro, algae taking over. Little insight, Randy?
- water ? brown toping on top of base/ rocks
- Help Help Help!!!
- Copper fittings
- Where to buy sulphur beads?
- Putting sulphur beads under DSB?
- sulphur based denitrator: must be O2 defficiant water?
- Should RO/DI water have pH 7 ?
- att: RHF- DISTILLED WATER WHAT DO YOU THINK
- Is Bigger Better ?
- Drinking water-what went wrong?
- Red slime algea
- Extremely confusing test results
- Causes of low pH?
- Little help here!
- Pickling Lime and Washing Soda?
- Kalk for Phosphate removal
- Dr. H-F, is this type of machine really posible/practical?
- Nitrate test kit..ARGH!! Please help
- Dear Randy Holmes-Farley
- brown slim algea
- Question about tap water
- PH/Alk Baking Soda
- Phosphate remover
- Cod oil question
- high Alkalinity and SPS
- Cement dyes... toxic?
- Another 16 DKH, info. please!
- Ocean Water
- Ph ?
- I need an ORP definiton
- Water Chemistry
- Carbon question
- what might be happening with my calcium levels.
- Phosban and macros
- Randy: Follow-up to "Heat Pack in Tank - Oh My!"
- Coral skeleton is CaCO3.Why it need Sr & Mg?
- why won't my alk. stay up
- Alkalinity and Clams
- Can washing soda replace kalk?
- kalk amount per?
- Crazy high nitrate
- High PH Low Calcium
- Ca/alk saturation vs. salinity
- Where can you find pickling lime?
- Randy. Can you give me a site with information on how the the DI resin (balls) work?
- Calcium consumption ?
- KH down to 15.5
- Difference in effectiveness of liquid vs granular phosphate removers?
- Can C02 in the air reduce Ph?
- Makeup water quality
- Problem with calcium tests
- Coralline Algae Propagation
- converting to ppt
- PH 7.8. Should i worry
- Strontium supplementation anyone?
- distilled water top off
- urgent- overdosed tank
- Hach, Model SI-7
- Pickling lime precipitate
- can't get pH above 7.8
- "Household" type additives
- still very low
- oops on the ph
- lowering my KH-it's at 16.8dKH!!
- High PH, How Do I Lower?
- Standard solutions for pH (~8.0) and Ammonia?
- Kalk vs Cal Reactor
- High Nitrites Saw Dust in tank after fan install
- Aeration
- Salifert PH test kit??????
- Nitrate problem! anyone ever use seachem denitrate?
- air bubbles form,cant figure out!!
- whats the chemical difference between baking soda and washing soda?
- I am at my wits end with cyano, time for last resort?
- alkalinity levels
- Seeking advice on Ca and Alk for a high Ca demaning nano
- Does this seem too high??
- Randy's New Lite Reading Assignment
- Lack of Magnesium?
- Pretty Wild pH Swings Lat
- alkalinity dropping quicker with washing soda as buffer?
- kalk reactor and carbonates???????
- Fe measurement question
- Heat Generated
- AHHHH! dKH is 14.88 and pH is 7.79?
- Micron sizes of reef-related impurities
- Randy, could you see this post:
- Could ozonizer prevent a tank crash?
- ammonia and nitrite
- Is lead dangerous to my reef?
- Which Salifert spoon is which? Calcium and magnesium spoons confused
- Alk up - pH down??
- Randy's talk to Boston Reefers
- A biochemistry question
- Best test kits for the color blind?
- Top off Water Additives
- PH problems
- Dosing Limewater (Am I doing it right?)
- Any Update on Brokne Links?
- Good News: Reef Chemistry Links Updated
- Ca/Alk Adjustment
- need help with limewater
- randy we were talking about my ammonia
- Lower alk after using washing soda?
- alk?
- What am I missing??
- A question for Randy, though not chemistry
- Algae
- do i need to worry about copper?
- "Nitrate remover"
- Hach Phosphate Pocket Colorimeter
- problems with ca/alk with ro/di
- Asbestos?
- Digital Calcium Monitor
- High Alk
- Negatives of using dead coral skeletons in cal reactor?
- Safest way to raise salinity?
- Help my PH 9.0 because of Kalkwasser
- B-ionic at home
- DSB Has cemented clumps on top
- My PH is low
- Trace element additives
- In what case is PH raised?
- sudden low PH?
- Calcium Acetate
- New recipie from the Doc?
- Garlic
- how wattage relates to temp increases
- RO vs RO/DI
- Is Palytoxin (produced by zoanthids) removed by skimmers?
- Alk (High)..Cal (Low)
- Brass in my tank?
- Continuous water exchange system
- More Ca problems
- Alk high but Ca is normal ??
- Randy, what ORP should RO/DI water have?
- How much vinegar add to kalk?
- water change calcium
- New to SW and Salifert Kit
- What's the diagram of salt?
- Which test it to believe? ALK
- For Randy on High Alk (duplicate from main forum)
- Alk vs High PH
- Boy I hate to testing water!!!
- Medusa Colorimeter?
- Why do water changes?
- Cal- Alk in Randys Tank
- i keep losing salt
- tap water KH value= 16 or 286.4
- how do i raise ph
- Lumpy Calcium Hydroxide
- Normal Values and how to make them?
- bioluminescence???
- Ph/co2 Controller Electrode Location
- Adding buffer
- Does Strontium go bad?
- Phosphate sources
- My article "What is TDS" has posted
- High PH in Source Water
- Rising Alk.. How can I lower Alk?
- Quick phosphate question. Hopefully :)
- I hate these phosphates
- High ph again
- Ammonia to high?
- Gold in saltwater?
- What is green water?
- Copper question for Randy
- Salt Water Formula
- conductivity meter
- Phosphate removal and PH level.
- Old Salt
- Measuring Salinity
- Low PH
- RowaPhos all over the tank
- Quick way to boost magnesium?
- New Tank - Calcium @ 600
- Kalk reactor and toxicity
- Temp question
- Wierd ALK reading?
- Mrs. Wages or equivalent in Flushings, NY?
- High Alk, low CA
- New tank, GH/KH question
- many soft corals and limited space, ideas...
- high alk=no coraline?
- Test Equipment