bottom line, don't follow the directions and dose only the water you are changing, if your fish don't die you are good otherwise you know you have to dose the total system volume next time
maybe so but they have yet to change the directions on my bottleThat is not correct. It seems even Hagen agrees to dose based on the full aquarium volume and not just what is being replaced when performing a water change directly in tank.
An email I sent them and the reply from Hagen.
( bsp.brentsmithphotography@gmail.com 12/22/2011
I know you have directions for dosage when treating new water first before introduction to an aquarium on your labels but I was wondering if I should dose on the complete aquarium volume with your product when I perform an in tank water change. Say a 100 gallon tank with weekly water changes of 50%.
Brent Smith
Reply:
no-reply@hagencrm.com
Tanya Schwab (Hagen Customer Service Rep) 12/23/2011
Thank you for taking the time to contact us.
Correct. The dosing instructions for water changes consider the total gallon size of your aquarium - not the amount of water changed.
Regards,
Customer Service
Rolf C. Hagen Inc. )
not really, because if you add dechlor to the old tank water prior, when you add the new water the neutralization is virtually instantaneous as it mixes almost instantly. adding water with a python here is even better as the dechlor is in excess as you slowly add the new water etc.Adding chlorinated (or chloraminated) water directly to your tank gives the free chlorine a chance to react with your fishes' gills before being neutralized by the dechlorinator. It's not an instant reaction so the greater the concentration of dechlorinator, the faster it's dechlorinated. It might be more work to mix the tap water and dechlorinator ahead of time outside the tank but this is not a hobby for the lazy.
its okay if you've only one tank and its 2ft or lesser. More then that...SWEAT !4 is the best, but it would kill any monster tank owner wahaha!
this is interesting, its a little off topic, but you're saying its okay to do a quick rinse and squeeze using tap water, and that wouldn't affect the good bacteria on it ?this is also why it is safe to rinse filter media quickly under the tap with no ill effects. letting it soak for a while is another story
Really? Which brand is better? OF New water guard vs api vs prime?I usually use method 1 . Once I drain the water from the tank (say 40%), then I add the enough prime (anti chlorine chemical) for the whole tank, wait 15 minutes, then add the new water with the hose straight from the outside faucet. Never had an issue in all my 30+ years of fish keeping..