- Zinc removal
- D-D high sensitivity checker or hanna phosphorous checker ? which is more consistent?
- Dosing with lights on or off?
- bio pellet and nitrates don't go below 2
- nitrite level still near zero and not zero = 0.1 - 0.5 mg/dl for my 7 weeks running
- Dosing, and making Mag question
- High PH?
- Hair brained idea? GFO Regen and Rock nuke..
- pH calibration fluid expired
- testing for potassium in additives
- fresh v/s salt water top off
- Looking for a remedy...
- Stupid Hairy Algae - HELP please
- Normal to adj ka and cal after water change?
- Used chemi-clean and skimmer is nuts
- any video of what should be the thumbing of phosban and carbon ?
- Vodka doesn't lower my nitrates and phosphates
- High Iron Content tap water
- Mangroves
- best ph
- Calcium Precipitation
- White balls.... Calcium precipitation?
- Vinegar Dosing Methodology for the Marine Aquarium
- Calibrating conductivity monitor and refractometer for hyposalinity
- Can anyone help with additives
- Baked bi carb soda (baking soda) in Recipe #1
- confused about kalk
- Pellets to vinegar
- AZ-No3 use
- A carbon question
- Alk dosing a 2 gallon pico tank
- Red Sea Pro Vs Salifert Calcium Test Compairison
- Kalk dosing q?
- Lonely Days
- Bicarb mix does not cause cloudiness
- Think I have a copper issue
- Po4?
- Help with balling and Zeovit
- salinity vs rises in MG
- how to succeed with LPS and biopellets?
- alkalinity issues need help
- maybe i was in the wrong thread ?
- Checkers
- Hanna Checkers
- Expiry of pH calibration fluid
- Phosphate removal
- Test kit ????
- Bleach (LR)
- Vinegar and Kalk in ASW?
- Baking Soda vs. Soda Ash for alk buffer- Confused
- Corals dying
- Kalk ato Q?
- NO3 test problem
- Vodka dosing and me!
- Dipping my live rock!
- 2 part dosing
- Parameters reading very low...need help.
- *** is this? White slime stuff
- Ph question
- water changes how much is to much?
- kalk question
- Opinions on my water parameters
- Whats the TDS of your local tap water?
- TDS Meter
- ESV parts?
- PraziPro and Phosphate Absorbers
- aquiglide?
- graphing chem levels
- phosban reactor question
- Is my phosphate too high?
- Kalkwasser versus Randy's 2 part?
- Sediment in calcium chloride and sodium bicarbonate solutions - recipe 2 Randy Holmes
- question for the chemists in the forums
- Looking for some advice with Vinegar
- aluminum oxidixe
- How bad did I screw up?
- pH from 8.4 to 7.8 overnight...
- Kalk in Ato or TLF reactor?
- not skimming after carbon added.
- Bit of an emergancy over here..Vinegar overdose
- Advice on changing salt Mix?
- pH and aeration
- Water changes for my 20g?
- do I need to worry about a spike when moving rock around
- No3
- Salt creeping onto lights
- water params
- Calcium precipitate = frozen pumps
- how much do you water change
- No3 and Po4 testing
- pH drop using new kalkwasser reactor
- Dosing / alk Ca usage
- overview of Randy's tank
- Fe testing
- Cycling Question
- Trouble with corals not opening
- Please check my new tank's numbers please.
- Using baking soda?
- Using vinegar in my ATO, should I?
- Bio pellet cleaning question
- For the old salts... salinity of the northern Atlantic Ocean?
- Setting up Geo Kalk Reactor: Would you Double Check my Numbers?
- Damp Rid Cal supplement
- Effects of High Magnesium
- Adding new substrate to established tank
- Water Softener
- Salifert Mg Test kit instructions HELP!!!
- alkaline ro water
- what's next ?
- potassium calcutaion related to calcium
- HELP!! ,I think I have flatworms
- When should I give up on GFO and try biopellets ?
- Brown Sand
- Need Help Setting Up Quarantine Tank(Which Meds)
- bio pellet journey/question
- Q about Randy's DIY two-part vs. Kalk
- Is milbemycin oxime (interceptor) stable in RODI water?
- ATC for pH monitor?
- Phosphate reservoir in rock and sand?
- What can cause 'false positive' phosphates?
- can excess light increase zooxanthella reaction
- Using Powerhead to mix 2 Parts?
- high calcium issue
- Best ways to battle alleopathy
- GFO or RowaPhos??
- Silicate sand beds
- Hypo in QT – pH alert, pH probe, ?
- NOPO-X dosing with UV off?
- Pedalow
- Keeping PH stable with kalk? Randy, little help? lol.
- water tests
- Would Flourish excel from Seachem work in Reef Systems?
- low alk
- low alk low mag high calcium
- Mixed salt water
- PDF format of Randy's RK articles?
- Alkalinity consumption and linear regression
- Cement
- 2 part question...
- Water parameter FOWLR
- Vinegar dosing but not to lower water parameters
- Brightwell Potassion and testing
- using limewater to raise Ca and Alk
- Lanthium Chloride vs Lanthanum salt
- Need to lower Calcium after attempting to ATO with kalk
- Water chemistry of cycling tank
- Red Sea Salt leaving a very white coat?
- EDTA in salt mixes.
- Regular RO/DI or Chloramine
- SPS nano - what salt to use?
- Red sea tests first use
- Iron Overdose
- Is this water PARAMETER RIGHT? OR WRONG?
- Water parameters running away
- High pH. Help to reduce it? Using Kalk.
- Vodak and Cheato
- Low ph
- Monitoring DKH
- Vodka dosing - side effects?
- Silica Sand vs Aragonite
- calcium question
- Vodka Dosing and MB/Cyano Algae
- Testing RO/DI water
- Switched from Kalk to 2 part
- Kalk Reactor Question
- mag level
- Hanna vs traditional phosphate testing
- Salifert Customer Support?
- CoralAmino after 4 weeks
- low alk
- Are all GFO's equally?
- Seachem Purigen detrimental to biological filter?
- question regarding alk and ph! advice needed?
- Salifert ALK Test Usage for High ALK
- Kalk or calcium reactor?
- Reasons to Carbon Dose?
- advice - npx bio P's and TLF 150 reactor
- Another 2-part question....Low Alk
- Phosphate levels - Lateral line disease
- Trouble shooting my parameters/CA reactor
- Best Test Kit for Ca, Alk and Mag?
- Help! Tuning my Ca reactor... using lots of co2
- pH spiking to 18.2 with Apex lite
- Dosing vinegar and Bacterial Blooms?
- Seachem Calcium products
- Kent Tech-M killing Zoanthids?
- Raise PH without raising ALK?
- Another CARX tuning question
- Cleaning and storing pH probe - How?
- Baking soda for long term use.
- calcium at 720ppm... oops, problem?
- Adding Kalk to vinegar dosing
- BRS GFO and Carbon Reactor PROBLEM
- SPS and Calcium
- Please school me on chemistry
- Help with Nitrates
- Cycling Tank Phosphate Level
- Starting 2 part
- Dialing in Calcium Reactor Calcium issues
- Bacterial sludge
- Dosing Combo Chemicals Through One Tube
- GroTech Calcium Pro Instant - dosage
- Dr. G's anti-parasitic RX and cupramine
- Phosphate Free Carbon
- Can I dose 2 part and kalk ?
- Ammonia Test
- Can Changing Lights Cause Alk and Calcium Problems??
- Alk not stable any more?
- Help corals not doing well
- Dosing Preference on Larger Tanks?
- High Mag in Instant Ocean salt mix
- parameter help!!
- Refractometer scale off???
- High alkalinity , need a chemistry lesson
- Kalk not keeping up with Ca uptake
- Tank Already Cycled?
- flat worm exit, am I doomed
- Will this work?
- live sand Help
- Help me Cloudy water
- Mmm yum yum Mulmum
- Considering limewater
- Red Sea Reef Foundation Product Program?
- Calcium and PH very low
- Fine dust on waters surface
- I dont this dosing!!
- How To Remove My Substrate????
- Tank Parameters/ Algae Growth
- Best Way To Remove Substrate?
- best time of day to do water changes
- ca not moving but alk is?
- possible disaster?
- Magnesium Sulfate and Magnesium Cloride
- is it ok to have magnesium at 1500?
- Cycling tank with ceramics
- Clean Water, but nothing lives
- Latest research finds toxins produced by algae have detrimental effects on fish.
- Mag level?
- Randy help!! CA stays at 350ppm and alk is at 9.8dkh
- Treatment for parasites on in coming coral
- Dealing with Cyano - help me fix
- Cal rx media some what melting
- Ready for some cleanup inverts?
- Help...interceptor SPECTRUM
- Tropic Marin Bio Activ?
- Reefkeeping online magazine
- dosing kalk in saltwater instead of fresh
- Can u run to much GAC
- Alk/cal balance problem
- Adding kalk and How much