Manual JBL CristalProfi e401 (page 29 of 201) (All languages)

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is therefore particularly well suited for intensive long-term ﬁltration in freshwater and ma-

rine aquariums. The round shape and varying diameter of the balls produce a self-cleaning

effect. As a result, this ﬁlter material only needs rinsing brieﬂy every 6 – 12 months, depend-

ing on the amount of dirt. Change when the balls begin to disintegrate.

Filter media to solve particular problems can be found in Chapters 12 and 13.

(F3) Filter foam pad

Medium-pored foam pads for effective biological ﬁltering with ideal conditions for coloni-

sation by cleansing bacteria. The pads have a section which can be removed and replaced

with ﬁlter material to treat speciﬁc problems. (section D). Careful cleaning is required ap-

proximately every 6 months. Replace after cleaning 2 to 3 times. Only one of the two pads

should be cleaned or replaced at a time.

(F4+F5) Filter foam pad

Set of one coarse foam pad and one ﬁne foam pad for the middle section of the combi ﬁlter

basket. The coarse pad provides biological ﬁltration through the colonisation of cleans-

ing bacteria. The ﬁne pad traps particles of dirt which could damage the pump, as well as

providing biological ﬁltration. The grooves on the top side of the ﬁne pads are intended to

hold special JBL Stixx for long-term fertilisation of aquatic plants. The coarse pad should

be cleaned approximately every 6 months. The ﬁne pad should be cleaned about every 4

months or as required (if pumping capacity deteriorates). Replace after cleaning three to

four times.

(F1 + F4 + F5 = JBL Combi Bloc)

Cleaning the hoses

Bacteria settle in the hoses producing slime, which can signiﬁcantly obstruct the ﬂow of

water. Algae growth only occurs in strong light. The hoses should therefore be cleaned reg-

ularly with a cleaning brush (e.g. JBL Cleany). Simply rinsing with tap water is not enough!

Cleaning the impeller and casing

Turn the cover of the impeller casing anti-clockwise towards “Open” and remove the cover

by pulling gently.

Pull the impeller out of the casing. CAUTION: the impeller is held in the casing by magnetic

force. Take appropriate care when removing the impeller, making sure to avoid injuring your

ﬁngers.

The ceramic shaft is held by two rubber bearings, which remain either on the shaft or on

the bottom of the impeller casing, or in the middle of the casing cover, when the impeller is

removed.

Clean the impeller casing, impeller and shaft with a suitable cleaning brush, then rinse in

clean water. Limescale can be easily removed by soaking in JBL Clean A (available at your

specialist retailer). Never dip the pump head in water or other liquid to clean it. Use a damp

cloth (e.g. JBL WishWash) to clean the surface of the casing.

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JBL CristalProfi e401 Manual

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