Fluval FX5: first impressions

[bossteck]

Hi Eddy,

See if I have misunderstood your description.

3 bps with inline reactor, no problem because dissolving is less efficient.
3 bps with cannister filter, problem because co2 gets better dissolved with this method.

So why not just stick to using cannister filter, but reduce the bubble rate? Or have I totally missed what you were saying?

Cheers

[eddy planer]

3 bps with cannister filter, problem because co2 gets better dissolved with this method.

So why not just stick to using cannister filter, but reduce the bubble rate? Or have I totally missed what you were saying?

Cheers

Hi Eric,

Ok, 3bps to fluval 404 canister , problem is C02 can accumulate inside the canister which means 50-60% c02 dissolve but the rest of 40% release as tiny bubbles. Those tiny bubbles(C02) which accumulate inside the canister slowly to dissolve can be a deadly C02 poisoning is equivalent to 4bps and 50ml of Excel into 3ft tank.

I tried it, all my faunas were struggling and grasping for 02 within 2-3hrs.

So i cannot use Fluval 404 canister( cannot see thru) but use another method is external pump > transparent pressurised pre canister cum C02 reactor > chiller > tank. By using the transaparent pressurised pre filter,I can able to tell how much c02 been dissolve inside the transparent pressurised pre filter cansiter.So i can either reduce or increase the bubble flowrate to prevent another abnormally arise.

[David Moses Heng]

i have got co2 bubbles on my glass front but i don't see my faunas gasping for breath. but then again this may be so because i'm utilising a sump system.

[illumnae]

while the transparent reactor gives you an indication that you have too much CO2 by looking at accumulated gas, can't you take it that the canister gives you an indication that you have too much CO2 by looking at the expelled bubbles and gasping fish? with that as an indicator, it would be possible to adjust the CO2 lower to an acceptable level?

Just curious about something else, 3bps to the reactor = no accumulated CO2 trapped inside and no gasping fauna, but 3bps to the canister = accumulated CO2 resulting in gasping fauna?