- dastardly low pH
- Water Changes and Calcium
- Tropic Marin Bio-Calcium
- Steel wool to remove phosphates? Weird?
- Lime potency meter for Nielsen Kalk reactor
- Epsom salts.... what about the sulfate?
- chloride
- hands in the water
- alk rising slowly, cause for concern?
- High calcuim level
- Removing nutrients
- low alkalinity
- High ph
- US Silica sand Play Sand?
- ozone or U.V?
- Electronic calcium measurement..
- stupid question?
- Teflon type for metal (SAVE A DOLLAR THREAD)
- Live Rock Curing Salt Substitute
- Question about Ca and Alk
- Dissolved oxygen, temp and SPG
- Does barebottom cause the PH to run lower?
- Adding Kalk to 2 part
- Shelf life of Salt?
- Swings in alkalinity
- Stronium
- Mg Levels
- This water ok to use?
- RO/DI attached to old pipes.
- How much kalk powder do I add the next time I fill my reservoir?
- Cloth Junction
- Corals not opening, HELP
- Confused about salinity
- Limewater requirements
- ozone and brass fittings
- vinegar in place of vodka?
- Help!!!!!!!!!!- Tank is very cloudy and PH drpopped severly overnight
- pH outta whack
- Alk question
- pH lows--
- baking soda to raise ph?
- Iron based P04 remover, can it provide useable iron for algae?
- just how exactly can i get my alk/cal stablize???
- Creative Minds Needed! 'Regenerate' tank water for use again?
- changing salt brands.
- High pH RO/DI
- Melting southdown
- link to cal/alk graphing tool
- pH question.
- RO/DI vs. DI
- Am I using calculator right?
- nitrate question
- dkh
- For the price, I was expecting more.
- Baking Soda- Questions abt converting it...
- thermometer broke in tank
- Help!-- Alk 22dKH
- Safe KH range for a reef tank
- Dealing with Ammonia
- Alk 16 kdH - Real high
- big puzzle
- alkalinity fastest test kit
- nitrate factories
- nitrite and New article posted: "Nitrite and the Reef Aquarium"
- Low PH
- formula for calculating PH based on CO2 content
- Randy, can you help me out?
- double check my math for calcium
- Nitrites 20 ppm, how to lower??
- High Calcium and Alkalinity, extremely confused!
- Calc Reactor INCREASING tank ph?
- A question about alkalinity
- Using your DIY alkalinity mix from the 2-part with part 2 of B-ionic (calcium)
- Tank addivitive help please
- tetra 02 instructions
- What is the ideal parms for a reef tank?
- Reasearching value of dosing pump
- Replacing my 75 g reef tank with a 90g tank, do I need to keep my old water?
- two-part ??
- Whacky test results with homemade brew
- Its not chemistry, but its science and maybe you could help.
- YAPP (Yet Another pH Problem)
- Yes...I screwed up...Please help anyway
- Is chelateing your calcium bad?
- How to LOWER pH - what acid
- Calcium reactor substrate substitute
- Test Kit
- Strange Kalk question
- Kalk and Acetic Acid mix
- Ozone
- Water Change Recommendations
- Need a refresher in tank chemistry basics please
- Simple question about abbreviations
- Kalk dripping concern, Ruinning a Higher ALK for an increased PH worth it?
- Milky Water and Excessive Evaporation?
- Still having RO/DI problems.
- test kits
- Preserving/keeping Water
- Mystery Calcium Readings and Bleaching SPS
- pH lows-- ?CO2?
- Pura PhosLock
- Limewater
- The Nitrogen cycle, Live Rock, and the new tank
- warning about brass fittings and ozone
- What Caused Hydnophora death?
- Calcium and Alkalinity way off. How do I fix them?
- The units of Reefkeeping: help needed
- Sulfur dioxide & effects on fish
- OT: How to clean steel pennies.
- magnesium calculation
- How concentrated can a salt mix be?
- Added Alkalinity Portion of Two Part and now Cloudy Water
- snow that quickly dissolves
- Sand bed as hard as rock
- Ok to buffer kalkwasser with baking soda?
- Randy I wanna see your tank!
- This is what Coralife had to say about their RO/DI unit.
- Raising Calcium
- High Alk and Low PH
- Balancing Ca & Alk
- Alk and calcium are dropping like a stone from adding kalk????
- Calcium/Alk Limits
- silicone rocks?
- how does my city tap water look like?
- Garden reef chemical warfare
- high alk.
- Iodine?
- Battery Leak!
- Snail strike!!!
- is this possible?
- Distilled Water
- ALK keeps dropping!!
- ozone
- alk formula? help please
- Pinpoint Calcium Monitor
- alk & calc. high, ph 7.6
- Getting ready to paint the house-Any precautions I need to take
- testing pH in freshly made saltwater
- Nifurpirinol good for marine fish intestine parasite treatment?
- Emergency- please help
- Homemade 2 part substitution
- does calcium contribute to ph or alkalinity?
- A natural CO2 scavanger
- dolomite
- Iron Hydroxide inside second chamber of Calcium Reactor?
- Phosphate removal mechanism?
- High PH
- oolite
- Recomended TDS meter?
- Tropic Marin Pro Reef
- Phosphates and bio-material
- probs w/ alk and ph
- Help... pH dropping and dropping...
- Okay to use?
- how much kalk?
- elp - high phosophates in sh fry tanks
- testing water
- calibrating ph meter
- pH Monitor Probe
- Kent Kalk make my tank cloudy?
- Strontium Nitrate?
- Red Algae
- pH test kit?
- Dripping Kalk in Sump Question
- High Calcium levels
- protein skimmer
- ozone
- peladow
- Is it possible to incorporate this into marine aquariums?
- Grape caulerpa
- pH Meter Problem
- another vinegar and lime question
- Strange pH readings
- Nitrosomonas and Nitrobacter bacteria
- Dosing Vodka in our systems
- Cal and alk balance
- Epoxy/Graphite in aquarium?
- TDS and dissolved gasses
- meq conversion
- OT, Float Switches
- sodium acetate titration
- Algae confusion
- What does ORP value of 270 mean???
- My evaluation of pura poly pads.
- Calcium is off the charts
- your carbon usage
- How often to test?
- To pre-mix or not to, that is the question
- Randy On Vacation until July 18
- any soap thats reef safe?
- Calcium level
- carbon causing pH swings?
- salt mixes
- Low ph, now its getting pretty low, please help
- Water changes drop calcium
- iS 8.4 PH OK FOR SPS,TANK.
- Reef Advantage Calcium vs. Kalk
- dKH 16+???
- Best Salt Mix
- Micro-Fine Bubbles and Chemi-Clean
- trend im noticing with bionic and alk
- randys 2 part adds
- Milk of Magnesia = Magnesium Supplement?
- chemistry question
- Need a rock to weigh down a filter bag.
- alk is 1 dkh and calcium is 450
- Copper Test
- Please help--mysterious crustacean mortality
- Quick RO water question
- mg question
- Alk
- Aragonite for ca reactor media?
- Mg dosing ?
- Help with dosing schedule
- hair algae and silicates.......
- Red Sea pH test kit
- Cycling Tank
- Adjusting pH
- New article:"What is that Precipitate in My Reef Aquarium?" has posted
- Show me yours Ca and Alk if you are using only limewater
- What are the main factors that promote bright coralline?
- What is that Precipitate in My Reef Aquarium? article
- MOJO !!! are you LOST
- Dosing Kalk Powder
- ozone in the reef
- Ca+, dkh/alk, ph question
- Question about homemade two-part alk recipe one
- Comparing Calcium Reactors to dosing Limewater
- Quick chemical question
- DIY Conductivity calibration standards
- ferric chloride use ?
- Mixing different cooper meds.
- Testing Kits
- Conductivity meter...
- Amino Acids
- Pura Phoslock
- Phosphate
- Using Municipal H2O
- n00b question about supplements
- Dosing Kalkawasser in Our 150 Gallon
- Calculations Homemade Two-Part Calcium and Alkalinity Additive System
- Is there some kind of controll sample I can make to double check my P04 test kits
- Another Conductivity meter ?
- How and what should I use to raise ph of RO water?
- Need help with PH
- Want to start dosing for ALK & CAL but DKH 15?
- What's a negative effect when running phosban reactor?
- How long does it take before i should retest?
- calcium chloride
- best phosphate product?