Manual JBL Cristalprofi e402 (page 34 of 243) (All languages)

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Stopcock lever on the pump head stiff

Cause Solution

The O-rings no longer glide

Dismantle the hose connection block (7) and

spray the stopcock ball valves with commercially

available silicone oil. Reassemble the hose

connection block and move the stopcock lever

back and forth a few times.

Fish dead and/or water cloudy

Cause Solution

Nitrite poisoning due to too rapid change from

“old” to “new“. Cleansing bacteria disposed of with

old lter.

Run the old lter and new lter parallel in the

same aquarium for 2 weeks or incorporate 1/3 of

the old lter media in the new lter. Never carry

out an “over-all clean up” of the aquarium all at

once!

Filter media for problem solutions (available at your specialist retailer)

Filter material to use with foam edge

The following ﬁlter materials are most effective in a relatively slow water ﬂow. In the e-series

JBL

CRISTALPROFI

ﬁlters, a slow water ﬂow is achieved by a two-stage principle. The ﬁlter foam

F3 (JBL UniBloc) is pre-cut so that an oval core area can be taken out and replaced by special

ﬁlter media in ﬁnely meshed net bags. Optimal efﬁciency is thus achieved by the water ﬂowing

slowly through the special ﬁlter media, whilst at the same time the medium-sized pore struc

ture of the foam edge means that the overall water ﬂow through the ﬁlter is obstructed as little

as possible. The following ﬁlter materials are suitable for this purpose:

JBL CarboMec - High-capacity active carbon

Removes residue medication, water discolouration and high molecular pollution from fresh

water and salt water. Virtually no increase in conductivity and phosphate levels in the water.

JBL PhosEx ultra - Solves algae problems by reliably removing phosphate

Prevents and eliminates undesirable algae growth by removing the main nutrient, phos-

phate, from fresh water and salt water.

JBL NitratEx - Nitrate remover

Eliminates nitrate from fresh water. Prevents and eliminates the growth of undesirable algae

by reliably removing the nutrient, nitrate, from fresh water. Exchange resin can be regener-

ated with cooking salt.

JBL ClearMec - Pollutant remover for crystal-clear water without algae trouble

A mixture of clay pellets and special resins removes the pollutants, phosphate, nitrate and

nitrite, from fresh water, thereby preventing undesirable algae growth. The clay pellets pro-

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JBL Cristalprofi e402 Manual

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